reduction

noun

1. the act of reducing complexity

Synonym: simplification

2. the act of decreasing or reducing something

Synonym: decreasediminutionstep-down

3. any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen)
always occurs accompanied by oxidation of the reducing agent

Synonym: reducing

1. 减少；降低
When there is a reduction in something, it is made smaller.

e.g. ...a future reduction in UK interest rates...
未来英国利率的下调
e.g. Many companies have announced dramatic reductions in staff.
许多公司已经宣布大幅裁员。

2. 减少；降低；缩小
Reduction is the act of making something smaller in size or amount, or less in degree.

e.g. ...a new strategic arms reduction agreement.
新的战略武器削减协议

1. 复位：1.复位(reduction)是将移位的骨折段恢复正常或接近正常的解剖关系,重建骨的支架作用. 骨折复位方法有手法复位和切开复位两类. 2.固定(fixation)使骨折部位稳定在复位后达到的对位对线关系,以免畸形愈合或不愈合. 骨折的固定方法有两类,

2. 降低：降低资源和有害物质的使用;原材料重复利用;原料再生;如可能,废物利用,复原原料及能源.上述4主题(4R's),降低(Reduction)最易可行,其它三项则主要取决于合成革原料的特性和生命周期.