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Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. It takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the PGA model on optimal design of water supply networks.

考虑到峰谷电价、用水量变化曲线及用水可靠性因素的影响，分别建立了以最高时流量设计管网的模型和以期望时流量设计管网的模型，以年费用折算值加上清水池年造价折算值为目标函数，以连续性方程、管中流速和铸铁管耐压值等为约束条件，进行并行遗传算法对给水管网优化设计的实现。

Shanghai EMMET Tools Co.,Ltd has been set up three branch company,set up center of techincal and service more than 20 cities.shanghai EMMET Tools have occupied domestic market in greater part of China.

上海埃米顿工具有限公司已在中国建立三个销售分公司，并在中国合作建立了二十多个销售技术服务中心，全国销售及售后网络已覆盖中国大部分地区。

Results: No intraoperative or postoperative complication was noted throughout the follow-up period. At the last follow-up, all eyes were clear without haze and were nearly emmetropia.

结果：术中及术后追踪期间没有任何并发症产生；最后一次追踪时，所有角膜皆为清彻无雾浊，且所有眼睛都近乎正视。

While he is on the ground, preparing for his journey, he thinks of flying with exhilaration soaring up, up and awaysintosthe blue empyrean, cradled in aircraft that seem, from a distance, effortlessly at home in that element, as though sculpted from the sky itself.

上飞机之前为远行做准备时，他满怀喜悦地想像着飞行--向空中一路高飞，飞入蓝色的苍穹，而自己就像安坐在摇蓝里一样。

Nbsp;soaring up, up and away into the blue empyrean, cradled in aircraft that seem, from a distance, effortlessly at home in that element, as though sculpted from the sky itself.

从远处看，飞机在空中显得那样自在，就像是从天空本身雕刻出来似的。

End up with sth /end up by doing sth

做某事结束 27。

End up doing sth 如:The party ended up singing.

晚会以唱歌而结束。

Recently a period, go up in the press and go up about the conference, the opinion of eristic estate situation is very much, and have a lot of different opinions.

最近一个时期，在报刊上和有关会议上，议论房地产形势的意见很多，而且有许多不同意见。

Since the cause is an error condition, normal testing may not pick it up - which means that your users will end up discovering the problem for you.

由于一个错误的条件，正常的测试可能不会获得结果---这意味着你的用户将由于你的失误发现问题。

He leaped up and balanced on the handrail. He accessed the escape hatch at the top and climbed up.

他向上一跃，抓住扶手保持平衡，进入顶部的安全舱口，继续向上爬。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。