利用配合力分析方法，评价优良亲本。
配合力是玉米自交系最重要的遗传特性。
Combining ability is considered as a most important genetic character.
三是建立健全部门间的协调配合机制，形成工作合力。
It is to build perfect department between harmonious cooperate a mechanism, form working resultant force.
加强学校、家庭、社会配合，形成教育合力。
Strengthens the school, the family, the society to coordinate, to form the education joint effort .
加强学校、家庭、社会配合，形成教育合力。
Strengthens the school, the family, the society to coordinate, to form the education joint effort .
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