From the principle of work, the product of the resistance times its distance equals the product of the effort times its distance.
根据功的原理，阻力与距离的乘积等于作用力与距离的乘积。
2
The size and number of steel wheel lug's holes, formed within the same distance, reflect directly its motion resistance when rolling in paddy field.
水田铁轮在水田中滚动时，在相同区段上所形成的刺孔的大小与多少直接影响共滚动阻力的大小。
3
The experiments show that microbe solution flooding can decrease the threshold pressure gradient, lessen the flow resistance, and extend the effective drainage distance.