the driving force

基本解释

In plotting the motorcycle running performance, the balance of driving force -running resistance is the most essential one.
摩托车的行驶性能曲线图，最基本的图形是摩托车驱动力—行驶阻力平衡图。
The utility model adopts vacuum as the blow-down driving force, thereby solving the problem of large water consumption of a traditional toilet.
本实用新型的排污驱动力是真空，从而解决传统便器耗水量大的问题。
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The main character of the HVS is that, by means of fluctuating oil pressure, the pile-driving force can be changed in a higher frequency, and therefore better vibrating effect can be gained.
液压振动系统的主要特点是在桩机液压系统中的压桩油路产生流体压力变化和波动，从而使沉桩力出现高频的周期变化，产生振动压桩的效果。

The driving-force of current-account balances is relative rates of growth in demand.
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These westerners also accept the market as the essential driving-force of any economy, but they too wish to set it within a moral framework that will ensure support for the weak through the compassion and self-discipline of the strong.
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The chief reason: Germany, the world's third-largest economy--and the driving force behind the euro's performance--is struggling.
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驱动力
Light energy is the driving force of photosynthesis; however, too much light will reduce photosystem II （PSII） photochemical efficiency, which usually named as photoinhibition.
光能是整个光合作用反应的驱动力,但过多光能的吸收引起光化学效率的降低,即光合作用光抑制。