No matter how powerful our brains are, they need recuperation time, to be kept in shape, and even an occasional charge.
不论我们的大脑有多么强大,它们还是需要休息恢复的,保持状态良好,甚至偶尔的充充电。
The effect of field strength, initial phase, bunch shape and charge on electron beam transverse emittance is also explored by numeric simulation method.
利用数值模拟方法研究了加速场强、注入相位、束团大小、形状、电荷等因素对束流横向发射度产生的影响。
According to different purposes, the differences of solubility, shape and size of molecule and charge properties can be used to separate the components of gelatin.
根据不同的目的,可依据溶解度,分子形状、大小及电荷性质的差异,对明胶组分进行分离。
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