Duality is a kind ofPhilosophyThe concept refers to the two inherent properties of things themselves, that is, a thing has two properties at the same time.[1]This concept is applied in economics, physics, biology, etcSpecific scienceThere are many manifestations in, giving specific scientific guidance for manyscientific researchThe methodology is provided.
EinsteinLight quantaAfter the theory was published, one of his friends asked him, "What is light? Is it a wave or a particle? You know, the two cannot coexist, either this or that!" Einstein said after listening, "Why can't it be both this and that?Light is both wave and particle, continuous andDiscontinuityOf.Nature likes contradictions. "[3]This example fully reflects the strong impetus provided by duality and its methodology for specific scientific development.
It refers to the two inherent properties of things themselves, that is, a thing has two properties at the same time.[1]
In specificsocial sciencesIn natural science, there are many things that reflect duality.ascommodityOn the one hand, it hasuse valueOn the other hand, it hasvalue, and these two points are not contradictory[2]。The two are different natures obtained through discussion in different situations, with dialectical unity.Another examplelight, existingwaveHas the nature ofparticleThe nature of.Seen in isolationVolatilityandParticle propertyThey are contradictory, but within the scope of light, they are not contradictory, and they are unified within the scope of light.Again, biologicalDuality：auxinModerate promotionplant growth However, excessive growth will inhibit plant growth.
Methodology
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Duality means that things have different sides, both positive and negative.This requires people to observe things comprehensively and dialectically, not only to see the positive side of things, but also to see the negative side of thingsBoth parties to the conflictUnder certain conditions, they should transform each other and oppose one-sided, rigidmetaphysicsLook at the problem from the ground.
