对于轴承座,国际上规定用()作为评定机器振动状态的物理量.
参考答案:振动烈度
This company was ______ of using misleading advertisements in its promotion of the weight-loss pills
A.charged
B.accused
C.blamed
D.approved
贵州具有悠久的开发历史,为什么在全国长期处于落后地位?主要原因是什么?