定基比

并把消费者物价指数（CPI）评价方法引用到乙烯能效的分析评价中，比较指标包括能耗同比、环比、定基比、累积比。

And the consumer price index ( CPI ) Evaluation of reference including energy consumption over the previous year , chain , fixed base relative , and the cumulative odds is introduced to ethylene analysis and evaluation of energy efficiency , the more indicators .

应用指标有发病率、死亡率、病死率、定基比、环比等。

Application of indicators of morbidity , mortality , mortality , compared with fixed base , chain and so on .

流感疫苗的销售量2001~2003年定基比发展速度分别是518.96%、752.66%及3456.83%；

The development rates of influenza vaccine sales with fixed base were 518.96 % , 752.66 % and 3 456.83 % respectively ;

定基比发展速度，也简称总速度，一般指是指报告期水平与某一固定时期水平之比，表明这种现象在较长时期内总的发展速度。

Calm base than growing rate , also abbreviation total rate , pointing to commonly is to point to what report period level and some secure period level to compare , show this kind of phenomenon is in longer the total development rate inside period .