这一节将只讨论介质分层媒质.Only dielectric stratified media will be treated in this section.光波在激活媒质中来回穿过时,将不断得到加强.The wave continues to grow as It'sweeps back and forth across the active medium.麦克斯韦电磁场方程描写了媒质的这种可测量的扰动,而不去详细讨论以太本...
Use reducer special for plastic extruder with alloy hard - toothed surface.采用合金硬齿面塑料挤出机专用减速机.This article introduces simulation analysis methods of twin - screw extruder.本文介绍了双螺杆挤压机的模拟分析的方法.In the control system of new d...
He was booed and heckled throughout his speech.他的演说自始至终都遭到喝倒彩起哄。She booed the dog out of the garden.她嘘嘘地把狗赶出花园.Demonstrators booed and jeered him...示威者们都发嘘声嘲笑他。He was booed off the stage.他被哄下了舞台。The referee was booed for...
他焦急地等待着体格检查的结果.He is anxiously awaiting the result of the medical tests.取样检查的结果必须附加说明.Results of the sample must be translated.他检查的方法是用力拉一拉门.His way was to give a sharp pull....
At first, the incident seemed to be trivial.起初, 这一事件似乎并不重要。平常的, 普通的I know it sounds trivial , but I'm worried about it.我知道这事听起来微不足道，但我还是放心不下。Captious: Marked by a disposition to find and point out trivial faults.倾向于...