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| isomer 1. Two or more compounds having the same molecular formula, but a different arrangement of atoms within the molecule. 2. One of two or more chemical substances having the same elementary percentage composition and molecular weight but differing in structure, and therefore in properties; there are many ways in which such structural differences occur (1. 两个或两个以上的化合物具有相同的分子式，但原子在分子内位置不同。 2. 两个或两个以上具有相同的基本化学组成和分子量的比例，但结构和性能不同的化学物质；结构不同的方式有多种。) | |||
| isomer | |||
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| isomeride | |||
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| isomer; isomere | |||
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| E isomer | |||
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| isomer | |||
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| isomeride | |||
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| isomer | |||
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| Z isomer | |||
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| isomer | |||
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异 构体 : 253 phrases in 22 subjects |
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