His efforts were unsuccessful.他的努力失败了。China has not been totally unsuccessful apprehending corruption suspects.在逮捕腐化分子方面,中国并非毫无进展.Good management often can make the difference between a successful or unsuccessful operati...
The microstructure of the film was studied by scanning electron microscope.用扫描电镜观察了膜的微观形态.The microstructure and its change during burning process was introduced.介绍了木质陶瓷的微观结构及其在焙烤过程中的变化机理.The results are important to ana...