relative variation

The increase in species, variation in community structure and obvious recovery in relative biomass index and relative biotic density index of necton indicated that ecological environment of Yun-dang lake had been improved greatly by further comprehensive control and management since 1993.

游泳生物种类的增加和群落结构的变化以及相对生物量指数和相对生物密度指数的明显恢复，表明筼筜湖经过1993年以来的进一步综合治理，生态环境的改善是显著的。

The daily average relative humidity in the stands is lower than that in field. after 1985, the variations of foggy day and mean annual humidity in Jinghong and Damenglong were different due to urban construction and natural climatic variation.

日平均相对湿度林外大于林内；而1985年以后，两站年雾日数和年平均湿度的变化出现较大差异。

Either enviromental factors such as intensity of light, CO2 concentration, temperature and relative moisture of soil, or interior factor such as the fruit in the axil exerted significant effects on photosynthetic rate except photosynthetic type of diurnal variation.

光照强度、CO2浓度、温度及土壤湿度等外界环境条件，以及黄瓜叶腋负载果实与否的内在因素对光合速率有明显影响，对光合速率日变化类型无影响。

The theory and method on the determination of the sea level relative variation by tide gauge data is introduced in the dissertation.

作者首先介绍了利用验潮站观测资料监测海平面相对变化的理论与方法。

A long repetition interval relative to a big extreme variation, vice versa.

结果显示,重现期越长,增减水极值越大, 反之,增减水极值越小.

The variation of relative parameters of sugar juice during the fluidics cane sugar factory was introduced.

介绍了超效射流技术用于糖厂混合汁提纯分离的生产实验过程糖汁相关工艺指标的变化情况.