falling weight

基本解释

The discovery of the method of using portable falling weight deflectometer and Rayleigh wave satisfy our need.
便攜式落鎚彎沉儀法和瑞利波法的出現適應了這一需求。
And so they proceeded to invent the verge-and-foliot escapement, using a falling weight as with its Greek antecedents.
於是他們利用希臘早就使用的重鎚著手發明了立軸橫杆式擒縱機搆。
Furthermore, The data of load time histories are measured by Falling Weight Deflectometer(FWD) in situ to calculate the response curves of layered viscoelastic foundation.
在此基礎上求解了落鎚式彎沉儀（FWD）所記錄的荷載作用下的層狀粘彈性地基動力響應。

You don't feel any weight because your weight is the opposition you get to falling through the floor; but if the floor is giving way and you're just falling freely, you feel weightless.
你不會感到重力,是因爲你的重力在阻礙你穿過地板,如果沒有地板,你自由下落,也感覺不到重力
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The weight rising on one side of the pulley is offset by the weight falling on the other side.
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落鎚
The presence of Falling Weight Deflectmeter meets this need.
落鎚式彎沉儀的出現適應了這一需要。