Both ionization and excitation lead to eletronic transitions that may be the emission of light.电离和激发都将导致可能伴随有光发射的电子跃迁.Forbidden transitions are those for which dipole radiative transitions are not allowed by the selectio...
The transitions of bisphenol A and phenolphthalein oligo -- polysulfones were inves - tigated by DSC.本工作用示差扫描量热法(DSC)研究了双酚A型和酚 酞 型两种聚砜预聚物的转变.Forbidden transitions are those for which dipole radiative transitions are not ...
a fish's ventral fin鱼的腹鳍A surfboard fin sliced the crest of a wave.冲浪板尾部划破浪尖.The organization of DMA system is illustrated on Fin 3 - 39 .DMA系统的结构如图 3-38 所示.the adipose fin脂鳍...a dolphin's dorsal fin.海豚的背鳍You o...
Some occur in organisms without evoking symptoms.一些存在于生物体中,但不发生症状....the scene evoking memories of those old movies...唤起对那些老电影的记忆的场景An upshot lends authority, evoking feelings of awe or fear.近景拍摄能够有效的引起敬畏或恐惧的感觉.Nowadays,...
I am happy and free, in good health, gay and cheerful.我快活自由，身体健康，积极乐观。I trust you've been in good health since we last met?别来无恙?She looked to be in good health.她显得很健康....
这些意外事件电 、 机械 、 和结构的失败结果在平衡物的电梯上发生了.These accidents occurred on counterweighted elevators as a result of electrical, mechanical, and structural failures....
温迪周一晚上过来匆匆吃了点儿饭。Wendy popped in for a quick bite to eat on Monday night.埃德温·H.康格是特命全权公使。Edwin H. Conger was envoy extraordinary and Minister Plenipotentiary.温斯顿·丘吉尔在1945年的大选中被击败。In 1945, Winston Churchill was defeated at...