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But what Ziska observed in his urban plots was ecology on amphetamines, a nearly completed succession to trees by the end of five years, with a domination by invasive weed trees of the most troublesome sort: ailanthus, Norway maples and mulberries.

但齐思卡发现，他的市区试验点是一种亢奋状态的生态状况，到了第五年的年末，这片试验点几乎变成了完全的林地，占据主导地位的是一些外来的杂木，而且是些最令人头痛的品种：臭椿树、挪威枫木和桑树。

According to the analyses of forming causation of air bladder and sand grain at concrete surface of railroad bridge, this paper studies it from five aspects of bridge prefabricate craftwork, and puts forward relevant prevention technique measure.

通过对铁路桥梁混凝土表面气泡和砂纹形成原因的分析，从桥梁预制工艺5个方面进行试验研究，并提出了相应的防治技术措施。

In the next two years the government will invest in building human OK air corridor, transit boarding center, and has built subway, elevated light and a five - three-dimensional traffic system.

在未来的两年里政府将投资建设人行空中走廊、公交换乘中心，与已经建成的地铁、轻轨和高架构成5重立体交通体系。

In the next two years the government will invest in building human OK air corridor, transit boarding center, and has completed a five subway and elevated heavy traffic three-dimensional body.

在未来的两年里政府将投资建设人行空中走廊、公交换乘中心，与已经建成的地铁和高架构成五重立体交通体。

The recovery project, which removed almost five kilometers of elevated highway as well, also substantially cut air pollution from cars along the corridor and reduced air temperatures.

复貌计画移走近5公里的高架快速道路，同时大幅降低绿色走廊的车辆空气污染，并达到降温效果。

Air France is donating its fleet of five Concorde's to museums after the last flights later this year.

在今年晚些时候进行最后几次飞行后，法国航空公司将把五架协合式飞机捐献给博物馆。

In 1987, China formulated the "Air Pollution Prevention Law," 1995, this law was changed, after a lapse of five years, in the year 2000 which made amendments to the law.

1987年，中国制定了"大气污染防治法"，1995年，这条法律改变了，经过5年的时间在2000年的修订了法律。

After nine consecutive passages by air sac inoculation, followed by five passages in chick brain, the v...

结果显示，该病毒的毒力变得很强，致死率可达 1 0 0 %。

As one of the common facilities in manufacturing enterprises, air compressors are widely used due to their capacity of producing compressed air. However , an authoritative survey shows that air compressor system consumes about 86%of the total energy cost within five years compared with purchase price that only accounts for 8% of total cost. This high volume of energy consummation invisibly increases enterprises' operational cost. However ,within the 90% of the cost for energy, main tenance and repair , 50% can be saved.

压缩机作为制造厂最常用的设备之一，其所产生的廉价适用的压缩空气能源备受许多企业家青睐，据权威机构调查，空气压缩系统在五年的总成本中，运转能源消耗费用占约86％，压缩系统初期购置费用仅占总成本的约8％，其高额的运转能源费用无形中增加了企业运营成本；然而人们却不知道这里占近90％的能源及保养修理费用却是有50％以上是可能不必支付的。

If you fall into the same trap that Air Progress did and take the gross weight of the aircraft divided by the projected wing area, you'll come up with a wing loading of about sixty-five pounds per square foot.

如果你犯了与《航空发展》相同的错误用飞机的总重量除以相应的机翼面积，你会得出每平方英尺65磅的翼载荷。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。