与金不同，银有自己的物理和化学性质。
Silver has its own physical and chemical properties as distinct from gold.
简要介绍了物理和化学性质的生活必须开始。
A summary of the physical and chemical nature of life must begin.
汽油和机油组成和物理化学性质的作用也非常重要。
The function of the chemistry of fuel and engine oil is very important.
汽油和机油组成和物理化学性质的作用也非常重要。
The function of the chemistry of fuel and engine oil is very important.
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