① The whole is composed of parts: the resultant force is the component force.
② Viachemical reactionMake the simple substance become the complex substance.
A new product formed by two or more reactants through chemical changes.
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1. Combine several parts into a whole.
BeiqiYan Zhitui"Yan Family Instructions - Yinci": "Yunji" is composed of two rhymes, namely Cheng, Shang, Hong and Deng, and is divided into four chapters, namely Wei, Qi, Yi and Shi. "Qing DynastyYu Yue"Tea Fragrance Room Money Renewal · Immortal Yao": "This phantom is composed of four parts. Today it is scattered and belongs to its own root."Lao She《The Ricksha Boy》8： "After a train pulled down, the plaster was sweated into mud and pasted on the face, only showing three frozen red circles of eyes and mouth."
2. Still facilitated.
"Chen Shu · Biography of Chen Baoying": "Yu Chu Bing fan confused the story, and then led it to the official army village."
3. Jointly formed.
Tang Yuanzhen《Buddhist Scripture on the Stone Wall of Yongfu Temple》"An Zhifu's sixty nine thousand words are engraved on stone forever. Because of the combination of various natures, they can't be the immortality of thousands of dangs?"
4. Match.
clearLi Yu"Mirage Tower · Mirage": "These four men and women should be combined into two couples." The tenth chapter of "Biography of Heroes in Children": "Mo Ruo uses this to combine this happy marriage for him."
5. Chemical terms.Through chemical reaction, a substance with relatively simple composition can be changed into a substance with complex composition.
6. Physics terms.A process in which several components become resultant forces.[1]
