： Based on the hybrid genetic algorithm for the constrained optimization problem,this paper proposed beneficial direction to modify the mutation operator so as to avoid deficiency of the old method,simulation of some examples show that this is method is effective.
从约束最优化问题的混合遗传算法出发，针对混合遗传算法不足，提出有利方向概念，并用之对变异算子加以改进，同时用模拟退火思想对罚因子加以改进，用改进后的算法进行仿真试验，试验结果表明改进后的算法有效 。
get the better end of
对...处于有利地位，占...的上风; 在...上占便宜
Our institute retained a pole position in scientific research.
我们所在科研方面保持了有利地位。
a Better education gave us the advantage.
良好的教育使我们处于有利地位
an unfair decision, comparison, advantage
不公允的裁决、 比较、 有利地位
get the right of the stick
占上风,处于有利地位;理解正确,没有搞错
investors vying to get in on the ground floor of a development project.
投资者争相获取一发展项目中的有利地位
Having partial status or privileges.
享有部分地位或权利的。
A dominant or favorable position or situation.
处于占优势或有利的地位或位置
put at a disadvantage; hinder, harm.
使……处于不利地位；对……有所阻碍或损害。
It was enough to give her general favour.
这一切使她处于样样有利的地位。
A graben creates a favourable setting for uranium deposition.
地堑成为铀矿沉积的有利部位。
We were well positioned now.
我们这时正处有利的地位。
a bank with branches at six convenient locations.
拥有六个位于便利地点之分行的银行.
A position of advantage over others, as in a race or an endeavor;a lead.
占先地位在比赛中或相对别人的有利位置；上先地位
having partial rights and privileges or subordinate status.
具有部分的权利和特权或者具有从属的地位。
You must be careful. The balance of advantage lies with your rival now.
你一定要当心，现在你的对手处于有利的地位。
The model is seeking an opportunity to show her off to advantage.
那位模特正在寻找一个机会来有利地显示自己。
Who ever lay there, though, had the best of it.
不管躺在坟墓里的是谁，他占据着最有利的地位。