它们是按品种分类的.They are classified in sorts.( 运输者也要接受做记录和分类的要求. )( Transporters are also subject to record - keeping and labeling requirements. )物理界过去和现在都是从不关心数学家们的分类的.The physical world was and still is indifferent to the ma...
A method of measuring vibration isolator's shock characteristics is advanced.提出了一种测量隔振器冲击特性的方法.The model includes detector, management and decision - making center, isolator, and database.模型由检测机 、 管理决策中心 、 隔离器和中心数据库...