Precaution saving theory suggests that uncertainty have a negative effect on consumption.
预防性储蓄理论认为不确定性对居民消费有负效应。
This is likely that people in the west area have such a low income that the Keynesian saving theory is superior to the life-cycle hypothesis.
这可能主要是因为西部地区收入绝对水平较低，生命周期理论不适用。
By analysing the energy saving theory of mine blowers, we drew a conclusion that frequency speed governor is the best way to save energy for mine blower.
通过对矿井通风机节能原理的分析，指出采用变频调速器是矿井通风机节能的最佳办法。
应用推荐