好，这就是A的化学势，在纯态，温度为T，压强为p总时。
Well, that's just the chemical potential of a, in the pure state, at temperature t and pressure pT.
由于所得的总引力质量低于过去的光学测量结果，我们推测群成员NGC 1400之所以具有极大的本动速度，很可能是因为它在星系群的引力势作用下尚未达到最终的平衡状态。
Since the obtained total mass is lower than those given in the earlier galaxy kinematic works, we speculate that NGC 1400 is not a virialized member in the group's gravitational potential well.
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