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 1985 federal budget allocated $7.3 billion for development programmes...1985年的联邦预算将73亿美元拨给了开发项目。A federal marshal was killed in a shoot-out.枪战中一名联邦警察局局长身亡。...federal barriers to interstate banking.联邦政府对州际银行业设置的障碍Twen...