gravity-weight measurement 根据体积和比重的重量测定
ecific gravity ecific weight 比重
centre of gravity of weight 重量重心
weight operated gravity filler 自动称重装填机
The lower the gravity, the lesser the weight and the greater the height of the mountain.
重力越低,重量越小,山的高度就越高。
Deformation is more likely to occur the thicker the ice is, because of the gravity of the weight of the ice.
越厚的冰越容易发生变形,是由冰的重量产生的重力造成的。
"It describes the power needed to propel a bike against our everyday foes: gravity, weight, friction, wind resistance," he writes.
“它描述了推动自行车克服日常阻力——如引力、重量、摩擦力以及风阻——所需要的能量,”他这样写到。
It showed their instruments, food storage, and details of how they moved and worked without gravity to give them weight.
VOA: special.2009.07.15
You can see that if a was equal to g, your downward acceleration is that of gravity, namely the cable has snapped in the elevator, Then you don't feel any weight.
你会发现如果 a 等于 g,你下降的加速度就是重力加速度,也就是电梯的绳索断了,那时你会完全失重
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