The I category is divided into three grades;
类别分为三个等级；
The levelling net points are divided into three grades.
并将水准网点的活动水平分为三类。
At present, Russia imported stationery can be divided into three grades.
目前，俄罗斯进口文具可分为三个档次。
Factors affected on dams were divided into two sections: abiotic factor and biotic factor, and the degree of effects was divided into three grades;
将水坝对河流生态系统的影响因素划分为非生物要素和生物要素两大方面，并根据影响程度划分为三个等级；
According to the actual condition of agricultural production and using fertilizer absorption parameters , the experimental maize were divided into three grades.
依据吉林省农业生产实际情况与需要，应用吸肥参数将供试的玉米划分高、中、低三个等级。
According to the actual condition of agricultural production and using fertilizer absorption parameters , the experimental maize were divided into three grades.
依据吉林省农业生产实际情况与需要，应用吸肥参数将供试的玉米划分高、中、低三个等级。
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