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 change of two dimensional micro distance is measured by using a position sensor and the two dimensional amplification of double optical lever.

利用光电位置传感器和二维双光杠杆放大，能够测量出二维微小距离的变化。

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The experimental results also show that the optimum effective position range was found to be 2H to 5H of micro vortex generator height upstream of baseline separation.

适宜采用微型涡流发生器对超临界翼型边界层分离进行控制，其最佳位置应在分离线前2~5H涡流发生器高度之间。

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In the first stage, you want to focus on micro managing one position at a time, learning the ins-and-outs of how stocks move.

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But the micro-celebrities themselves have a weak bargaining position.

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UoSat 12, an experimental micro-satellite that observes the Earth and demonstrates advanced communication and position finding technologies, was launched last year by a Russian rocket from the Baikonur Cosmodrome in Kazakstan.

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