Until today germanium is the present substance on earth with no exception.直至今天锗才毫无异议地成为地球上是纯净的物质.Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.D...
Until today germanium is the present substance on earth with no exception.直至今天锗才毫无异议地成为地球上是纯净的物质.Doped silicon and germanium are technologically the most important types of semiconducting material.添加硅和锗在工艺上是半导体物质中最重要的类型....
E 2 and E 5 sets mainly produced stainable abortive pollens ( SAP ), whereas E 3 set mainly did empty abortive pollens ( EAP ).E2和E5位点组的作用主要产生染败花粉, 而E3位点组的作用主要产生空败花粉.A device that collates, merges, or matches sets of pun...
a spray of mixed violets and primroses一簇紫罗兰和报春花The primroses were bollming ; spring was in evidence.迎春花开了,春天显然已经到了.The primroses should begin to seed themselves down the steep hillside.报春花应该开始沿着陡峭的山坡一路撒播种子了。Wild flowers ...
Equalization involves mixing wastewater streams of acidic and alkaline nature in an equalization basin.均衡即是在均衡池中将酸性和碱性废水混和.Simulation results show that the algorithm has a good equalization performance.仿真结果表明,该算法具有很好的均衡效...
We shall discuss several of them below with the help of the Lorentz transformation.下面,我们借助于洛伦兹变换来讨论其中的几个结果.As a component of Lorentz force.安培力的实质是洛仑兹力.But Ampere force is Lorentz force nature.安培力对它作功....
微风吹动树叶.A breeze stirred the leaves.风吹动着树枝.The wind was moving the branches.冷飕飕的风吹动着他周边的矮树丛，沙沙声刚好盖过了吟唱的声音。The cold breeze moved through the bushes around him, whispering just loud enough to obscure the chanting....
经口和经鼻这两种途径插管所测量的方法相同.The method of measurement is the same for oral or nasal insertion.需要插管及辅助呼吸.Intubation and assisted respiration will be required.有的病人的气管在任何情况下都是很难、或根本不可能插管的.The trachea in some patients is difficult ...