控制导数

control derivative的用法和样例：

例句

The derivative of the step is the impulse.阶梯的导数就是脉冲。
Progress in the studies on new derivative atomic spectrometry was reviewed.摘要本文评介了导数测量技术在原子光谱分析中的应用研究进展。

Former

First, there are those words ( with which we become familiar in ordinary conversation) , which we learn ， that is to say, from the members of our own family and from our friends, and which we should

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This is the VOA Special English Economics Report. Early estimates show that the United States economy shrank by three-tenths of one percent from July through September. Economists had predicted a five-tenths drop. But Thursday's report from the Comm

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abbil

admissibilities

AEEA

air compressor exhaust pipe