The world can also be explained by perceivable and imperceptibleobjective existenceSum of and used to describeobjective existenceThe sum of the concepts and their interrelationships, the objective existence does not exist with the will of people or other things.The world consists of conceptual world andMaterial worldComposition, the conceptual world contains the sum of all life's cognition of the objective world and the things that exist to record cognition.
3. The word "world" in Chinese comes fromthe buddhist scripture, is not a modern new term, and refers to the worldtime, boundaryspaceTracing back to its source is from Buddhism.
4. The word "world" commonly used today refers specifically toearthfor.
5. The world is a form formed in human nature: human cognition of the world is their ownuniverseOfannotation。Humans take the world as a certain format and divide the universe into different regions - ranges.Such as: mineral world, plant world, animal world, multi world, imaginary world and real world.Different world means different regions of activity.All kinds of different forms of matter in the universe follow certain rules in their activities and interact in their own world to complete the overall operation of the universe.
space-timeAnd whether there is a division is determined for the world.The world is rightNatural societyandhuman societyA description of the sum of all things.
earth
People's description of the world is a description of the scope of all things that exist in the environment in natural form.The world has a beginning, which can be described by time;If the world has scope, it can be usedspaceTo describe the conditions.In the concept of time and space of life, human beings havehistory, YesCulture, YesSociology, Yesnation, YescountryThere is a conceptual distinction between everything in the world.
The concept of the world has no existence or non existence.The world form is different due to different people's ideology, and different world forms are people's respective world views.
All things in the world can be used, whether they exist in the form of concepts or existing conceptsYes NoIt reflects different values and forms a valuable world due to the cognitive knowledge at different stages.Everything in the world has value: such as natural things that exist naturally, social things that exist socially, past things that exist historically, future things created by knowledge, things generated by culture, cultural differences between countries and nations, biological evolution, human civilization, social development, scientific and technological progress, etc.
The world is the result of nature,naturalIt is the founder of the world, and the world is the generalization of all natural activities.The world is materialistic and does not exist because of the existence of vitality. On the contrary, the existence of life must be produced in the material world.
World Satellite Map
“From ancient times to modern times, the world is called, and the upper and lower sides are called the world”The world is all time andspaceThe general term of "," usually refers to the earth where humans live.The surface of the earth can be described by a map of the world.To the 16th centuryCopernicusestablishHeliocentric theoryLater, it was generally recognized that the earth revolves around the sunplanetOne, including the earthplanetsIt forms a planetary system revolving around the sun - the main members of the solar system.The world, other names include heaven and earth, heaven and earth, the world, all things, the world, etc., usually refers to the earth where people are living at present. The surface of the earth can be described by a world map.
In Chinese, the word "world" is derived from Buddhist scriptures, not from modern terms, but from Buddhism.The word "world" refers to time and "boundary" refers to space, which covers the principle that time and space cannot be separated.This just fitsEinsteinOfrelativityIn ancient China, the word "world" was often used to describe the world, and there was no world.Gein world is a Buddhist term, which is widely used today, but we should understand the origin of this term.according toShurangama SutraIn the fourth volume, the world is the meaning of migration;The boundary refers to the direction.That is to say, in time, there is the migration of the past and the future, and in space, there are positioning places in the east, west, north and south, up and down.The word "world" in Buddhism refers not only to the earth but to the whole universe. Today, the commonly used word "world" refers specifically to the earth.For the purpose of diversified integration and large coverageelaborateThe broader definition refers to the whole universe.
Western Paradise
Sanskritloka-dha^tu，PaliSame as.The transliteration Lu Jia Tuo Guan means a place that can be destroyed. It is also called Jie.according toShurangama SutraIn the fourth volume, the world is the meaning of migration;The boundary refers to the direction.That is to say, in time, there is the migration of the past and the future, and in space, there are positioning places in the southeast, northwest, top and bottom.It also refers to the places where all living beings live, such as mountains, riverslandEtc.From the above, we can see that the world originally refers to the world of three worlds;howevermahayanaAlso refers to lotusHuazang World（Huayan SectThe state of Buddha)Amitabha Pure LandAnd so on, including the absolute world and the world of inaction beyond the relative world.
Ancient India established cosmology according to the theory of Mount Sumiya, that isXumi MountainAs the center, plus the nine mountains and eight seas, four continents (four worlds), and the sun and the moon around it, it is called one world.One thousand people in one world, one small world;Combine thousands of small and thousands of worlds into one middle and thousands of worlds;A thousand middle and thousand worlds are combined into one big thousand world (big thousand world, big thousand world).A big world includes three kinds of "thousand worlds": small, medium and large, so the big world is also called "three thousand big worlds"（3000 World）。The universe is composed of countless 3000 worlds, which shows that the world is boundless.
1. The scope of enlightenment (i.eBuddhist soil）, or one world, or one or three thousand world, or the wider world‘The word "world" is synonymous with "world", includingAffective world、In the worldHowever, it is commonly used to refer to the world (mountains and riversearth）For.
In addition, sentient beings living in the world can be divided into hell, hungry ghost, animal, asura, human, heaven, etcSix RoutesDifference.Among them, the world where the first five live is calledthe realms of desire；In the way of heaven, the world where Colored Heaven lives is calledthe material world；The world where the colorless sky lives is called the colorless world.However, in the Mahayana Sutras, there are Buddhaspure landThe saying that exists outside the above three realms.asMaha Stop WatchingUploaded in Volume 5, set up separately from Lane 6personal disciple of Buddha、pratyekabuddha , BodhisattvaBuddhismThe four sages, etcthe ten states of living beingsEach of the ten realms has its own land.Another example is that Volume 3 of the Huayan Five Religious Chapters lists the land sea and the world sea as the basis for the ten Buddha realm according to the Huayan Sutra.Namely: ①Land SeaThe dwelling of the Ten Buddhas in themselves is an indescribable proof of harmony and freedom. ②World Sea: the place where the ten bodies of Shana are absorbed can also be divided into three categories: the solemn world sea of Lianhua Tibetan, the ten heavy world sea, and the immeasurable miscellaneous world sea.
The total population of the world is the number of people living on the earth at a specific time.according tothe United NationsAnnouncing that the worldpopulationIt will reach 8 billion on November 15, 2022.[1]worldpopulationIn the 15th centuryBlack DeathThe fastest growing world afterpopulation growth rate (higher than 1.8%) appeared in the 1950s.According to the world population forecast, the world population will continue to grow until2050。
global warming
global warmingIt refers to the phenomenon that the temperature of the earth's atmosphere and ocean rises over a period of time, mainly referring to the temperature rise caused by human factors.It is believed worldwide that the main reason is probably due to greenhouse gases（carbon dioxide）Excessive emissions.Over the past 100 years, the global average temperature has experienced four fluctuations: cold → warm → cold → warm, and the overall trend is temperature rise.Since the 1980s, the global temperature has risen significantly.
water pollution
Water bodyDue to the intervention of some substanceChemistry、Physics、BiologyorradioactivityAnd other characteristics, thus affecting the effective use of water, endangering human health or destroyingecological environment, causing water quality deterioration.Water pollution is mainly caused by various exogenous substances discharged by human beings (including those that were not originally found in nature), which exceed the water body itself after entering the water bodySelf purification(that is, rivers, lakes and seas can eliminate exogenous substances through various physical, chemical and biological methods)water pollutionHas.
Modern World
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For global human beings, the major events in the world in the 20th century include:
Two destructive world wars in 1914 and 1939;
The Great Depression of 1930;
The end of the huge colonial system;
With the rapid development of science and technology, mankind has finally set foot onMoon；
Pay more attention to environmental issues, including the loss of forests, the shortage of energy and water, the decline of biodiversity and air pollution;
In addition, the global population also shows explosive growth: from1820From 1 billion to 2 billion in 1927, 3 billion in 1960, 4 billion in 1974, 5 billion in 1988, 6 billion in 2000, and 7 billion in 2011.
In the 21st century, science and technology are still showing an exponential growth trend, which not only brings hope to mankind, such as the progress of medicine, but also brings fear, such as the emergence of more and more deadly weapons in war.Topics of concern includeglobal warming、Influenza、renewable energyEtc.
Famous sayings
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To succeed in this world, we must persevere in the end: we cannot let go until we dieVoltaire
The hardships of life cannot overwhelm me.The joy in my heart is not my own. I put it into music to make the whole world feel happy. -Mozart
Fractal geometry not only shows the beauty of mathematics, but also reveals the essence of the world, and also changes the way people understand the mysteries of nature;It can be said that fractal geometry is the geometry that truly describes nature, and its research has greatly expanded the cognitive domain of human beingsZhou Haizhong
If all human energy is concentrated in one head, and the world is concentrated in one person's brain, that situation, if it continues, will be the end of civilizationHugo
Opportunism may win for a while, but it is difficult to gain a foothold in the world--Lu Xun
Countries and regions
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There are 199 countries and regions in the world, including:
