Energy transformations go on constantly, all about us.在我们周围,能量始终在不停地转换着.New objects characterizing the structure of complex linear transformations are introduced.本文引入表征复线性变换结构的新对象.Chemical transformations occur.发生了化学转换。O...
Banning cigarette advertising would be unconstitutional, since selling cigarettes is legal.既然出售香烟是合法的，那么禁止做香烟广告就是违宪的。A provincial magistrates' court last week ruled it unconstitutional.一家省级地方法院上周裁定其违宪。The Supreme Co...