讨论了采用不同的电磁多极场作为动态校正器的可能性.推导了圆形校正透镜、偏转校正场和四极、六极校正场引起的附加象差的公式.The possibility of dynamic aberration correction by using electro - magnetic multipole fields is discussed....
She banded the birthday gift with a silk strip.她用一根丝带扎好了生日礼物。She banded her hat with a silk strip.她用丝带镶帽边。Exposures of rhythmically banded protore are common in the workings.在工作面中常见有韵律条带“原矿石”.Tables are set with white ch...
他竭力在社区内撒播猜疑的种子。He is devoting much of his energy to implanting an element of distrust in the community.当然, 媒体是某些广泛猜疑的目标.The press, of course, is the object of some popular suspicion.我对他这种警觉和猜疑的情绪是很熟悉的.I know him well in ...