certified seed是什么意思

用法例句

Consideration on the Leadership of Qualified College Students Cadres;

合格高校学生干部的领导学思考

The present paper discusses of problems exist in today concrete engineering that effect qualified strength in evaluation,put forward the measure of how to tighten up the management of strength evaluation.

介绍当前混凝土工程中存在的影响强度合格性评定的实际问题,并对如何加强混凝土强度评定的管理工作提出了措施。

The intelligence cultivation of the qualified editors is an important subject in constructing the team of the editors.

合格编辑的智能培养是编辑队伍建设中的一个重要课题。