在采种条件下，所得到的解是最优解，文中所提出的模型不局限于配电系统，亦可适应其它各种类似的集散系统。
An optimal solution is obtained under certain conditions. The model proposed is applicable not only to power distribution systems, but also to other similar distribution systems.
通用型PVC处理剂，主要针对透明PVC底、跟或透明PVC气垫，涂布于表面后不起雾，能保持原有之光泽，处理效果极佳，亦可处理常见之PVC材料。
General-purpose PVC primer. Special for transparent PVC sole, heel and air cushion. Excellent priming effect, can keep the original shining colour of material.
而美国亦可以对波音投入不超过总收入百分之四之间接补助，美国的间接补助通常是透过国防部与太空总署和波音公司签订合同的方式。
The U. S. was only allowed to subsidize Boeing up to 4% of the companys total revenues. The U. S. usually subsidizes Boeing through contracts signed with the Defense Department or NASA.
第一类——用于单相接地故障时间每一次一般不大于1min，亦可用于最长不超过8小时，每年累计不超过125小时的系统。
The first class cable – suitable for one single –phase earthing – block time does not exceed one minute each time. Max. time not exceed 8 hours , and not exceed 125 hours in all in one year.
第一类——用于单相接地故障时间每一次一般不大于1min，亦可用于最长不超过8小时，每年累计不超过125小时的系统。
The first class cable – suitable for one single –phase earthing – block time does not exceed one minute each time. Max. time not exceed 8 hours , and not exceed 125 hours in all in one year.
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