In such a situation, mass fraction probability density function model is an appropriate method to approach the reaction phenomena.
在这样情况，许多分数可能性密度函数模型是接近反应现象的一个适当的方法。
Appropriate stocking density and better feed management must be applied to improve the productivity performance of tiger grouper farming.
适当的放养密度与较好的饲育管理必定会有效提升饲育生产力的表现。
Appropriate increase of wheat planting density could lead to increase of WUE in dryland as well.
适当增加小麦种植密度有利于提高旱地水分生产效率。
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