From time to time he will take on a new persona.他时常伪装自己。Don't take on more responsibilities than you can handle.不要承担过多的责任。In some works, flowers take on a powerful emblematic quality.在一些作品中，花具有强烈的象征意义。...
The quasi - geoid computed by geopotential model is fitted with the quasi - geoid measured by GPS leveling.将地球位模型计算的阜新似大地水准面拟合于GPS水准实测的似大地水准面.Geodetic leveling should be done with staves in which the onstrip of invar.大地水...