主导力量的英文：
leading force
n. 领导，疏导，铅板 adj. 主要的，重要的
- Will you take the lead?
你领个头好吗？ - Lead poisoning( or plumbism )：Poisoning by accumulation of lead in the body.
铅中毒:铅在体内积累引起的中毒。 - The road leads direct there.
这条路直接通那儿。 - The dog is straining at its lead.
那条狗正使劲地拖拽皮带。 - Put the dog on the lead!
用皮带牵住狗！
n. 军队，暴力
v. 强迫，用力推动
- by (main) force
用蛮力, 全靠气力; 以最大的力气 - The force is spectacular!
这个瀑布很壮观！ - resultant force
合力 - The threat will force greater dispersion of their forces.
恫吓将迫使他们把兵力铺得更广。 - The tension force, shear forces (including pushing force, cutting force and friction force), impulse force, hydrodynamic drag on the suction pipes, and the force resulted from the pressure difference, etc, are the main forces for detail discussion in this paper.
详细讨论了主要作用力：在波浪补偿器作用下的缆绳拉力、耙头与海床间的土壤剪切力、作用在耙吸管上的水流阻力及由于压力差在耙头处产生的推动力等。