在优化实验的基础上系统分析了电规准对表面性能、加工损耗的影响；
Orthogonal experimental method and ANOVA are used to analyze machining parameters on electrode loss and surface roughness;
尼日利亚的乡村加工中心正在帮助农民降低损耗以赚得更多。
In Nigeria, village processing centers are helping farmers reduce their losses and earn more money.
通过各项成本、加工费用、损耗等合理性的审核，进行各项工序成本的控制；
Through the audit on each process cost and processing charges and wastages, to well control the process cost.
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