这些节点可以从地面的振动测量出车辆的速度和方向。
They were able to measure the speed and direction of vehicles from ground vibrations.
卫星携带的原子钟必须和地面的运行速度不一样，因为那里的重力更强。
These carry atomic clocks that have to run at a different speed to those on the ground because gravity is greater there.
通过测量因纳斯卡板块挤压海岸发生碰撞造成的地面的缓慢上升与下降，他们能够估算压力的实际聚集速度。
By measuring the slow rising and falling of the ground as the inexorable collision of the Nazca plate squeezed the coast, they could calculate how fast strain was actually building.
一个加速度测量仪捕捉你脚接触和离开地面的情况；
There's an accelerometer that detects when your foot hits and leaves the ground, calculating that all-important contact time.
螃蟹机器人的腿善于爬行，赋予了它速度、敏捷和爬上不平整地面乃至崎岖表面的能力。
The crab droid's scrabbling legs offer it speed, agility, and the ability to climb over uneven terrain and even up craggy surfaces.
然后，根据加速度峰值等效原则，选代计算得到地面的加速度功率谱密度曲线；
Then, the power spectral density (PSD) of the acceleration at ground level is evaluated by an iterative approach according to the principle of equivalent peak acceleration.
皮尔洛说：“阿森纳在地面的传球是非凡的，他们速度快而且有效。”
AC Milan midfielder Andrea Pirlo has praised 'Wengerball', the style of football played by Arsenal.
皮尔洛说：“阿森纳在地面的传球是非凡的，他们速度快而且有效。”
AC Milan midfielder Andrea Pirlo has praised 'Wengerball', the style of football played by Arsenal.
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