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- sign changing amplifier 符号变换放大器
- That sign changed, also. Today, it is the easily-recognized capital "R" with a line across its foot. 那个标志也改变了。今天，很容易被看出是;脚部画了一条线的大写字母R.
- But over the years, the sign changed from the eye of Horus to the sign for Jupiter, the chief god of the Romans. 但近年来，这个标识由何露斯之眼变成了罗马主神朱皮特的标识。
- He persuaded her to sign the document by guile. 他用欺骗手段说服她在文件上签字。
- Migoguchi N, Yanagida E.Critical exponent for the blow up of solutions with sign changes in a semi linear parabolic equation[J].Math.Ann, 1997, 307:663. 李俊锋刘伟安等.;半线性抛物方程可变号解的全局存在和爆破[J]
- Objective To compare the effects of propofol with traditional thiopental anesthesia for oral-maxillofacial surgery in terms of vital sign changes and awakening time. 摘要目的观察异丙酚用于口腔颌面外科手术麻醉时对循环、呼吸及苏醒的影响，并与传统药物硫喷妥钠相比较。
- But over the years, the sign changed from the eye of Horus to the sign for Jupiter, the chief god of the Romans.Jupiter's sign looked much like the printed number "four. 但近年来，这个标识由和鲁斯之眼变成罗马神话主神朱皮特的标志。
- Although the signs changed, but still dilapidated village, scene miserable. 虽然招牌换了，但是村子里仍然破烂不堪，景象凄惨。
- I can't see her changing her mind. 我无法想像她会改变主意。
- He did not rule out changing his mind. 他没有排除改变主意的可能性。
- There is no sign of a let-up in the hijack crisis. 绑架危机毫无缓和迹象。
- My hometown is slowly but surely changing. 我的家乡正缓慢却实实在在地发生着变化。
- I was forced to sign the agreement against my will. 我被迫违心地在协议上签了字。
- Be slow in choose a friend, slower in changing. 择友不宜快，绝交更须慢。
- Soldiers sign out when they leave the barracks. 士兵离开营房得登记签字。
- She made a sign for me to approach her. 她对我发出靠近她的暗号。
- Dark clouds are a sign of rain or snow. 乌云是雨或雪将至的预兆。
- Make sure that the sign's the right way up. 一定要把符号的上下弄对。
- The changing vivid colours of the sunset fascinated the eye. 日落时变化多端的色彩使人看得入迷。
- He wore crape as a sign of mourning. 他戴着黑纱表示哀悼。
