Labels that do not require additional procedures (e. g., enzyme reactions) for signal generation are preferred in one-step chromatographic assay.

在一步层析检测中，不需要额外程序(如酶反应)来产生信号的标记是首选的。

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"WHO's Framework Convention on Tobacco Control was a monumental step in the right direction," — Jack E. Henningfield, United States of America.

“世卫组织的烟草控制框架公约是朝着正确方向迈出的历史性一步，”——Jack e . Henningfield，美利坚合众国。

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The last line shown above prompts you to either edit (E) the step parameters or cancel (C) to exit the step.

以上显示的最后一行，提示用户或者编辑 (E) 该步骤参数，或者取消 (C) 退出该步骤。

youdao

What we've written is a whole step, so we've got to indicate that this is just a half step away in that fashion, D to E-flat.

而这里写的是一个全音级,所以我们要在这里标出,从D到降E只有半音级

耶鲁公开课 - 聆听音乐课程节选

In October 2000 the proposed e-University moved a step closer with the publication of an outline of how it should operate, with an emphasis on innovation.

BBC: NEWS | UK | Education | Problems at e-learning university

For me, that was when it got interesting, because his critics say it is precisely when markets are at their most "hectic" - i.e. irrational - that central banks need to step in, to bring investors to their senses and put a floor under the prices.

BBC: Interview with an ECB president

On Thursday, however, questions abounded as to whether the service will amount to simply a "me too" move, following Apple and Amazon's well-worn trail through the digital-music forest, or a significant step toward making Google an e-music player.

CNN: Google Music: iTunes for Android or something more?