They actually use the... the track, the... the skidding tracks of the wreck to calculate v prime, and then they can try to reconstruct the situation as it was before the collision.

他们实际是用轨迹，残骸的滑行轨迹,来计算出v’,就可以复原现场,和碰撞前一样。

youdao

It USES the simulation software to analyze the characteristic of the tracking photovoltaic (p v) array and the influence to the PV array by the the tracker locking and step-track approach.

运用仿真软件分析了跟踪式光伏阵列运行特性、跟踪闭锁现象及步进跟踪控制方式对光伏阵列工作特性的影响。

youdao

There's built in wireless of some sort, enabling your fellow EN-V owner-friends to keep track of your late-night escapades if you so allow.

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