土木工程施工管理是一种科学管理，在管理目标上。坚持效益最优原则下的目标管理。
Civil engineering construction project management is a kind of scientific management. In management objectives. Stick to benefit the most optimum principle of the target management.
探讨了培训项目开展过程中培训成本控制的原则、程序和措施，以达到经济效益最优化，实现自立生存的最终目标。
Probed into principle, procedure and measures of training cost control in training program development to realize optimum benefit and final target of self existence.
风险响应措施的选择是在成本效益原则的基础上选择最优的风险应对方案。
The risk of response is defined as selecting the optimal one among the feasible proposals on the basis of the principle of cost-effective.
以净效益最大为原则，用所提出的模型研究了不同灌水均匀系数时的最优灌水量。
The model was used to determine optimum irrigation amount for obtaining maximum net return.
以净效益最大为原则，用所提出的模型研究了不同灌水均匀系数时的最优灌水量。
The model was used to determine optimum irrigation amount for obtaining maximum net return.
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