然而，这种纯粹的视觉系统在恶劣天气下毫无用处，到了20世纪30年代，无线电通信开始用于空中交通管制。
However, this purely visual system was useless in bad weather, and, by the 1930s, radio communication was coming into use for ATC.
奥巴马再三表示，最好是由议会负责管理污染气体排放的工作，而不用EPA在《清洁空气法案》下对其进行管制。最高法院也曾表示议会能担当此任。
Mr Obama has repeatedly argued that it would be better for Congress to take charge of emissions than for the EPA to regulate them under the Clean Air Act, as the Supreme Court has said it can.
最近，几个青少年写信给我，希望我能回信告诉他们，在父母的管制下该如何改进生活。
Several teen-agers have written to me recently, asking for a post on how to improve their lives when they’re still under their parents’ control.
所有这些亚洲运营公司都是独资企业，在当前的管制下想要复制其在马来西亚，泰国，印度尼西亚和中国的辉煌，虽然不是不可能，但会相当困难。
All of these Asian operations are wholly owned, a position that under current regulations would be difficult if not impossible to replicate in Malaysia, Thailand, Indonesia and China.
在某些情况下，如果资本管制能够压低币值，促进增长，则其应被认为是合理之举。
In some circumstances, capital controls may be justified if they keep the currency cheap and promote growth.
一些士兵能够回到军营，缓和当地在印度军管制下的情绪。
Some soldiers might return to barracks, easing the locals' sense of being under the Indian army boot.
美国环保署说，没有“补偿”的帮助，在“总量管制和排放交易”体系下的碳价将会是今天的两倍。
The Environmental Protection Agency says that without the contribution from offsets, the carbon price under the cap-and-trade system would be twice as high as it is now.
金恩长官同时勾画了建立新殖民地的另一个目标：他在悉尼辖下有一些最棘手的犯人，给所有其他的人只能带来难题和烦扰；在特别的严苛管制下把这些人集中送到一个地方，对他而言应该是件好事。
Governor King saw also another object in founding this new colony. He had some most unruly convicts in Sydney, who were only a source of trouble and annoyance to all the rest.
在灯火管制情况下，在整个接近、盘旋和着陆过程中，HALS系统可以向UH - 60飞行员提供着陆区的连续三维实时雷达图像。
The HALS system provided the UH-60 pilots with continuous 3d real-time radar imagery of the landing zone throughout the approach, hover, and landing in complete brownout.
在周三午夜，在没有空中交通管制员指引的情况下，间隔很短的两架飞机降落在RonaldReagan华盛顿国际机场。
On March 23, two airplanes landed at Ronald Reagan Washington National Airport shortly after midnight without an air traffic controller.
在周三午夜，在没有空中交通管制员指引的情况下，间隔很短的两架飞机降落在RonaldReagan华盛顿国际机场。
On Wednesday, two airplanes landed at Ronald Reagan Washington National Airport shortly after midnight without an air traffic controller.
在存在外汇管制的情况下，公司也将难以回避外汇风险。
In the presence of exchange controls, it would also be difficult for companies to hedge foreign currency risk.
本文主要探讨在管制环境下银行的公司治理问题。
The article chiefly discusses the corporate governance problem of bank under the financial control environment.
本文研究了在信息不对称条件下，自来水行业的管制部门如何设计激励机制实现有效管制的问题。
The thesis studies how should the regulation sector of water industry design incentive mechanism in order to maximize social welfare under information asymmetry.
在利率管制下的卖方垄断型信贷市场中，担保额是银行甄别企业风险的有效工具，但这依赖于企业的风险收益特征。
In the monopolistic credit market with regulation interest rate, collateral is an efficient tool to screen the risk of SMEs.
在我国已有的会计规范及监管制度下，我国会计信息披露质量有所提高吗?。
Under the existing accounting standard and supervising system in our country, does the quality of accounting information disclosure improve?
在利率管制的背景下，激励机制的缺乏导致公积金管理的低效率对储户也造成了一定损失。
Under the background of control interest rate, lack of incentive mechanism ascribes low efficiency of management, also causing losses to depositors.
在没有热桥连接的情况下，单独测试第一级最低制冷温度达到13.8K，这是单级脉管制冷机获得的最低制冷温度新纪录。
A lowest no-load temperature of 13.8 K has been obtained for the first stage without thermal connector, which is a new record for the single-stage pulse tube cooler.
在最佳锥度下，采用锥形脉管制冷机对改善制冷机的性能，进一步降低制冷温度、提高相同制冷温度下的制冷量是有利的。
When the cryogenic refrigerator works on this optimum cone Angle, the performance can be improved that means the decreasing of the lowest cooling temperature and the increasing of the cooling power.
在电力工业放松管制的环境下，输电扩展规划问题将会变得更为复杂。
In the deregulated power industry environment, the transmission expansion issue becomes more complicated.
研究了在危险天气条件下，在雷达管制空域下，计算航空器预达时间的问题。
Discussing problems of how to forecast ETA (estimated time of arrival) in given bad weather conditions of an air-space within the reach of monitoring radars.
总之，中等工作负荷下的管制工作质量最高，在工作负荷最低和。
Notice that performance is typically best at moderate workload levels, and worst at both very low and very high levels of workload.
本文考察在IPO发行权管制的条件下，民营公司审计师选择的寻租动机对审计市场需求的影响。
This paper analyzes auditor choice and audit pricing of private firms under the regulation of IPO using the data from 2005 to the first half of 2008 in Chinese listed private firms.
没人感觉自己是在高压管制下的流水线上工作。
No one feels like he or she is working on a production line under tight constraints.
结果表明，在大型活动条件下，所提出的方法能够确定需要进行交通管制的空间范围。
The results show that the proposed method is helpful in identifying the area potential to be impacted by a special event.
结果表明，在大型活动条件下，所提出的方法能够确定需要进行交通管制的空间范围。
The results show that the proposed method is helpful in identifying the area potential to be impacted by a special event.
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