Nanometer scale step standards are the keys for dimension transfer, and they are the important tools to evaluate and calibrate micro actuator and micro position devices such as piezoelectric scanner.

纳米级尺度实物标准是纳米尺寸传递体系中的关键环节，也是评价和校正压电驱动等微扫描微定位装置的重要工具。

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The strategic scale-up that is eroding malaria’s influence is a critical step in the effort to combat poverty-related health threats.

干预措施的战略性推广削弱了疟疾的影响，这是应对与贫困相关的卫生威胁的关键一步。

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Question: Not everyone on my team is ready or willing to step up to full-scale modeling and model-driven development with the UML.

问：并不是小组中的每个成员都准备好或者愿意逐步进行全尺度建模和使用UML进行模型驱动开发。

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It's a major-key sound, but unlike our major keys, which have a half step between the third and fourth tones, the Lydian scale has a whole step there, and the half step between steps four and five.

WSJ: Making Music Against the Odds | Ensembles of Afghanistan National Institute of Music

The scale proposed for the Arizona projects would be a step-change in scale for these types of solar-energy projects.

FORBES: World's Largest Solar Tower Takes Next Step Forward

Eurozone finance ministers' decision that European banks should raise more than 100bn euros of new capital is an important step towards averting a full-scale financial crisis, but it is only a step.

BBC: Eurozone banks to raise more than 100bn euros