正反

1.A coin has two sides,a head and a tail.

硬币有正反两。

2.The pros and cons cancel out.

正反两种意见抵消。

3.The House again divided.

议会再次分正反表决。

4.Free administrative umpirage inevitablly plays both positive and negative roles, and the negativeness is brought about by the abuses of umpirage.

行政量权与他行政权一，运行过程中，不可避免地会产生正反两方的作用，它消极作用的集中表现就是行政量权被滥用。

5.A new type of composite CVT( Continuously Variable Transmission) systems, based on dual-mode power-split planetary gear set, is of improved efficiency, power transmutability and speed variable range.

基于正反双向分汇流行星排组的一类新型复合无级变速器系统具有效率高、率容量与速比变化范围大等特点。