硝酸离子有四个基频形式.The nitrate ion has four fundamental modes of vibration.对于基频振动来说, B ′-B″ 很小,因此谱线是几乎等距离的.For the fundamentals , B'- B " is very small and therefore the lines are almost equidistant.主要研究音节基频包络的聚类问题.In this...
The gang thought of hitting him too, but decided just to spit...那伙人也想过要揍他，但最后只是啐了他一口。She had decided that as a doctor she had a responsibility to her fellow creatures.她已经决定，作为医生，她应该对自己的同胞负责。At the end of my term of enlis...