Without derivation, organic acids were exacted from tobacco to take quantitative analysis by injecting into GLC directly.
采取不经衍生化，把从烟叶中萃取出的有机酸成分，直接进样的方式进行GL C定量分析。
Another example for derivation is when you use an extension without an abstract type.
另一个派生的示例是使用不带抽象类型的扩展。
In this paper, authors present a derivation of the Lorents transformation by invoking the principle of relativity alone, without the principle of invariance of light speed.
在大多数介绍狭义相对论的文章中，导出洛仑兹变换公式的依据都是相对性原理和光速不变原理。
In this paper, authors present a derivation of the Lorents transformation by invoking the principle of relativity alone, without the principle of invariance of light speed.
在大多数介绍狭义相对论的文章中，导出洛仑兹变换公式的依据都是相对性原理和光速不变原理。
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