or derivatives thereof
英
美
- 或其衍生物
双语例句
- It is applicable to substances or their derivatives which are volatilized under the temperatures employed.
气相色谱法适用于在运用温度下挥发的物质或其衍生物。 - The pesticide products of diketene produced by direct synthesis or biosynthesis were introduced.
介绍了由双乙烯酮直接合成或由其衍生物合成的农药品种。
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