可以提供几种手控配置，包括中心位置的弹力恢复以及保持手柄在某一特定位置所需的摩擦力。

Several control handle configurations are available including spring return to center position, and friction hold which keeps the handle at any position desired.

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威德解释道，具体来说，美国海军是希望能够观测某一特定位置的船只发出的荧光，进而了解这个船只是敌是友。

Specifically, America's navy wants to be able to forecast whether a vessel in a particular location might cause a bioluminescent glow that would give away its position, says Dr Widder.

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密歇根大学分析认为之前的研究是正确的：在血清素基因的某一特定位置有一等位基因，而这等位基因越短的人往往越不容易从情感创伤中走出来。

The U-M analysis supports previous findings that individuals who had a short allele on a particular area the serotonin gene had a harder time bouncing back from trauma than those with long alleles.

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