The results were showed that the chosen method of optimization of medium composition was efficient, relatively simple as well as time and material saving.
褐多孔菌在优化的发酵培养基中的抗菌活性显著提高，表明响应面法在培养基优化中十分有效，相对简单，且节省时间和材料。
It has the features of saving time, manpower and material, and it is quick in construction, easy in ensuring quality and obvious in economic benefits.
适应了抢建海滩石油勘探道路的特点，具有省时省工、省材料、施工速度快、质量易保证，并有显著的经济效益。
The result show that the optimized ac contactor can reduce bouncing time of contact greatly, with energy saving and material saving...
结果表明，改造后的交流接触器节能、节材，大大减少了触头的弹跳时间。
应用推荐