The line width of nanostructures is influenced by many factors such as tip curvature radius, detained time in the base surface, scanning speed, humidity, surface roughness etc.

尖端曲率半径、针尖在基底表面滞留时间、针尖扫描速度、空气湿度、表面粗糙度等均会影响纳米结构的线宽。

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The present invention is to provide an electrical power tool which enables a user to grasp a rotation direction and a rotation speed of a tip tool.

本发明提供一种电动工具，使用者能够直观地掌握前端工具的旋转方向以及旋转速度。

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The flow field of the wing tip vortex, which shed from a rectangular wing, is surveyed by a seven holes probe in a low speed wind tunnel.

应用七孔探针空间流场定量测试技术研究了翼尖涡的流动结构，给出了翼尖尾涡在下游两倍弦长距离内的速度和压力场分布随迎角变化的规律。

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Its device uses a high-speed jet at the tip of a catheter to wash out a clot and then vacuum it out.

FORBES: OmniSonics' Clot Buster

Thus, one analyst suggests anybody wanting to take a longer-term spread trade in favor of platinum might consider tip-toeing into a position rather than racing full speed ahead.

FORBES: Platinum/Gold Spread Offers Trading Opportunity, But Timing Could Be Difficult