The chart and the bottom are a rightness of important concepts, It has a relation of the economical rate, consciousness of the mankind sense of vision mental, and the simplification rate relevant.
图与底是一对重要的概念，它与人类视觉的节省率、知觉心理、简化率有关。
A mathematical model of relation between dust explosion rate on a coal face and design parameters of a shearer drum is set up by supposing and simplification in the paper.
通过假设与简化，建立了采煤工作面粉尘爆炸率与采煤机滚筒设计参数间关系的数学模型。
It can reduce the rate of transmission failure, and make system simplification, maintenance expediently.
这样就减少了传送失败的概率，并且使系统构成简单，方便维护。
Presently since price for most products has been liberalized, it will not be conducive to fair competition between enterprises without simplification and adjustment in tax rate.
目前产品价格已大部分放开，如不简并、调整税率，将不利于企业公平竞争。
Presently since price for most products has been liberalized, it will not be conducive to fair competition between enterprises without simplification and adjustment in tax rate.
目前产品价格已大部分放开，如不简并、调整税率，将不利于企业公平竞争。
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