The variations in microstructure of these specimens after annealing are investigated by Mssbauer hyperfine parameters.用穆斯堡尔谱超精细参数研究微观结构随退火温度的变化.The toughness, fractograph and microstructure of the failed die specimens ha...
He collected specimens of all kinds of rocks and minerals.他采集了各种岩石和矿物的样品." Finest specimens of human molars, " he informed me.“ 用精选的真人臼齿做的. ” 他告诉我.I stayed at Columbia for four years, analyzing specimens.我在哥伦比亚呆了四年, 在那里做...
他用这个节目的录像带教授英语。He uses tapes of this program to teach English.他甚至将记录他以前伟绩的录像带通通锁起来了。He had even locked away all the videos of his previous exploits.采用了演示及播放电影和录像带的形式，以起到教育作用。Demonstrations, films, and videotapes are show...