线: thread; string; wire用: 40分钟跑完全程 run the course in 4 ...力作用线: line of force升力作用线: lifting line推力作用线: thrust line重力作用线: line of gravity沿推力作用线分布的: axial of thrust力作用: action of force作用线: action line; action, line of; activate line; active line; line of application; the line of action变力作用: inotropic action冲力作用: momentum effect磁力作用: magnetic action; magneticaction磁力作用的: magnetomotive电动力作用: electrodynamic action; electrodynamicaction动力作用: dynamic action; momentum effect反推力作用: contribution of reverse thrust风力作用: action of the wind; wind action; wind effect浮力作用: flotational process光动力作用: photodynamic action静电力作用: electrostatic forcing离心力作用: centrifugal action力作用点: origin of force; point of force application力作用方向: force direction; forced direction力作用中心: center of effort内力作用: endogenetic; hypogene action
