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...
他拔出匕首转身面向追他的人。He drew his dagger and turned to face his pursuers.他转身不理他们，噔噔噔地爬上了山。He turned his back on them and stomped off up the hill.她一下子转身面向他，茶水溅了出来都没注意到。She swung around to him, spilling her tea without noticing it...
Locke : You don't even know what you're talking about, do you?你连自己在说什么都不知道,对 吧 ?His name is Gary Locke, and he is American Chinese.他叫骆家辉, 是美籍华人....Locke's Treatise on Civil Government.洛克的《政府论》This article ...
Any exercise that causes undue shortness of breath should be stopped.任何导致呼吸出现困难的锻炼都应停止。Alex bridled at the shortness of Pamela's tone.亚历克斯对帕梅拉的简慢语气很生气。Other signs of angina are nausea, sweating, feeling faint and sh...