学校不会接受任何学生质量不合格的作业。A school would not accept low-quality work from any student.鲍勃体检不合格。Bob failed his physical.他的表演不合格。His performance was not up to par....
Hypoid gear transmission is the most complicated transmission. The parameters of ma - chinking are hard to cakulate.准双曲面齿轮是齿轮传动中最复杂的, 其工艺锥参数和加工调整计算都涉及两个相错圆锥的相切接触条件.Fixtures are generally mechanical devices used to assist...
There are certain advantages claimed by proponents of an analytic inertical system.解析式惯性系统的倡议者认为这种系统具有某些优点....proponents of the thesis that computers can be programmed to do anything which a human mind does.对电脑经过程序设计可完成人...