本文提出应用单位能耗量与单位生产率之比的综合指标来评价静作用压路机的作业效率。

The paper proposes to use the ratio of unit energy consumption over productivity as a compound index in the evaluation of the operation efficiency of steady operation roller.

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蛙式打夯机、轮胎压路机、静作用光轮压路机、振动压路机和手扶振动压路机等是国内压实机械的主要产品。

At present, compaction machinery products include:frog tap machine, type roll road, static effect roll road, vibratory roller and walk-behind vibratory roller, etc.

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在静载作用下，结构构件非线性静力失稳的现象是十分丰富多彩的。

There are many non-linear manners when the elements losing the stability under static loads.

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If that protein is an enzyme then you've and you've switched it from an 'off' position where it's not catalyzing a reaction to an 'on' position where it is, you've changed the biochemical state of the cell, you've changed the chemical reactions that can occur within the cell, and you've changed its behavior.

如果这种蛋白是一种酶的话,你就能够将酶从无催化作用的静息态,激活至能催化反应的激活态,你改变了细胞的生化状态,也改变了细胞内发生的化学反应,改变了细胞的行为

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