1·Does the drive system have to control or modulate the amount of retarding force during overhauling?
驱动系统控制或必须调整相当数量减速的强制在翻修期间吗？
2·Evidently fixed limits exist as regards increase of mass and reduction of retarding force, but the impelling force can be increased indefinitely.
显然，固定的界限只存在于增加质量和减少减速力上，但推动力可以不确定地增加。
3·This method includes an electrostatic spherical grid retarding spectrometer with a post focusing system.
球面栅静电减速谱仪具有后聚焦系统。
4·Riffles placed transversely along the bottom of the sluice cause the water to eddy into small basins, retarding the current so that gold may settle.
横置于水闸底部的格条使得水流旋转进入小水池，使水流减速，沈淀出黄金。
5·The metal mesh used in retarding lenses and analyzer of electron spectrometer is summarized, Thedesign of retarding lenses can be simp1ified, when Enzel lenses is combined with the metal mesh.
综述了金属栅网在电子能谱仪的减速透镜和分析器中的应用。