电滞回线的形状对铁电体的实际应用影响很大.The ferroelectric material's loop shape influences its application strongly.铁电体是一类重要的功能材料,电畴是其物理基础.Ferroelectrics based on ferroelectric domains is one of the most important functional materials...
自拍 ( 降机 ) 尝试利用这段片来探查影像发射器与影像接收器的工作方式.Record Himself ( Lift ) explores the mechanisms of the video transmitter and receiver.使用自拍模式或者线控快门,以减少相机振动的影响.Use the self - timer or a remote shutter release to minimise camera shake...
If breathing is not restored,the patient may go into spasm.如果不能恢复呼吸,这个病人就会发生抽搐。A muscular spasm in the coronary artery can cause a heart attack...冠状动脉的肌肉痉挛可能导致心脏病。A lack of magnesium causes muscles to go into spasm.缺镁会导致...