多阶段规划

Green Railway Alignment Selection,means that solution is obtained to avoid all the environment sensitivity problem at the layout and design stage of railroading item and in the process of railway route selection,nature condition such as landform、geology、hydrology and so on,especially influence of landscape、nature protection area and entironment on railway scheme must be considered.

铁路绿色选线，是指将各种环境敏感问题的规避解决在铁路建设项目规划设计阶段，也就是在铁路选线中融入环保理念，在线路方案比选中综合考虑地形、地质、水文等自然条件，特别要考虑风景名胜区、自然保护区及生态环境因素对线路方案的约束，多方案进行环境影响的综合评价，选择出对环境影响最小的方案。

Finally,a simple simulation application was illustrated,by analyzing and comparing of the result,when subcontract supplier selection is long-term and it is carried out repetitiously,the method is good at inspiriting subcontract supplier to cut down price and improved service quality at the same time.

最后，利用一个简单的实例进行试验，结果分析和比较表明，当分包商选择是长期的且分阶段多次进行时，该双层规划模型能很好的激励分包商提高服务质量，降低分包价格。

With the Shanghai real estate development the outskirts of the territory continued to expand, more and more recent "town-made program" into the planning and development stage.

与上海房地产开发的郊区境内继续扩大，越来越多的最近的&镇制计划&纳入规划和发展阶段。

At the end of his career, he mostly worked on various projects for power amplifiers, RF filters and multiplexers, communications systems and VHF and UHF antennas.

在他职业生涯的最后阶段，他主要从事各种放大器，高频滤波器，多路复用器，通信系统和特高频，超高频天线的规划。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。