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...
为建立用ICP -AES 技术分析测定硼铁的方法开展了试验研究.Tests were studied to make an approach to ferroboron by ICP - AES technology.高硼铁 基合金 是一种新型 耐磨 材料.High boron iron - based alloy ( HBIA ) is a kind of new wear - resistant material.氢氧化钠容量法测定...
They okayed the proposal yesterday.昨天他们批准了这项提案.His ear okayed the sounds as the engine warmed up.他的耳朵听出发动机预热时发出的声音是正常的.Smith's report was not officially okayed by the War Department for Release until July 9.史密斯的报告于7...
请你重复一下那个问题,好吗?iterate 系 正式用语,指“一次或数次地重述” 、 “反复申说”,如:Will you repeat that question, please?在同一发情期排出两个或数个卵子.Two or more ova are shed during the same heat period.货物来自世界上的遥远的边隅, 在路途上要消耗数日或数月.From the far corners of the world...