Promoting stabilization of low birth level and improving of family planning working level within definitize work reason 强化五个意识实现五个确保推动计划生育技术服务机构快速健康发展
2.
Secondly , this article uses variance analysis and other research means of statistics to study and definitize the best mix proportion ration of pumice concrete , and studies mechanics and durability of the concrete using the best mix proportion 通过正交分析的实验方法，研究并确定了浮石混凝土的优化配合比，并对根据该配合比设计而成的浮石混凝土的力学性能和耐久性能进行了分析研究。
3.
As the part and parcel of " technological development & planning " in cosco , we need to investigate the question of establishing technological development & planning in order to definitize orientations targets thoughtway & emphases of technological work development in cosco 为了明确中远集团科技工作的发展方向、发展目标、发展思路以及发展重点，作为中远集团发展规划的重要组成部分，需要就制定中远集团科技发展规划这一问题进行研究。
