clearances

英 [ˈklɪərənsɪz]

美 [ˈklɪrənsɪz]

n.  清除; 排除; 清理; 净空; 间距; 间隙; (录用或准许接触机密等以前的)审查许可，审核批准
clearance的复数

柯林斯词典

• N-VAR 清除;清理
  Clearanceis the removal of old buildings, trees, or other things that are not wanted from an area.
  1. ...a slum clearance operation in Nairobi...
     内罗毕拆除贫民窟的行动
  2. The UN pledged to help supervise the clearance of mines.
     联合国承诺协助监督扫雷工作。
  3. ...widespread clearance of jungle land.
     丛林地带的大面积砍伐
• N-VAR (官方的)批准，许可
  If you getclearance todo or have something, you get official approval or permission to do or have it.
  1. Thai Airways said the plane had been given clearance to land...
     泰国航空公司说，该飞机已经得到降落许可。
  2. He has a security clearance that allows him access to classified information.
     他持有安全许可，可以接触机密信息。
• N-VAR (路面、河面与上方桥梁之间的)净空，间隙，间距
  Theclearanceof a bridge is the distance between the lowest point of the bridge and the road or the water under the bridge.
  1. The lowest fixed bridge has 12.8m clearance.
     最低的固定桥下方通行高度为12.8米。

双语例句

• Shop drawings showing overall plan layouts of the systems indicating clearances from existing and proposed utilities, structures or other obstructions.
  施工图显示系统的总体平面布置，说明与既有或拟建公用工程、结构或其他障碍物的净空。
• The pantograph can slide over the insulating rods at those points where the air clearances are.
  受电弓可在空隙处滑动绝缘棒。
• A larger breach, only discovered through a probe of the first hack, compromised background investigation data for federal employees and contractors who need security clearances.
  在对第一次黑客事件进行调查的过程中，又发现了另一起更大规模的入侵，后者泄露了需要通过安全审查的联邦雇员和合同工的背景调查数据。
• The dynamic analysis of Geneva mechanisms with clearances and elasticity
  具有弹性和加工误差的槽轮机构动态分析
• Discussion on Bridge Site Selection and Navigational Clearances for Sea Crossings
  跨海桥梁桥址选择和通航净空尺度问题的探讨
• In addition to that, check the clearances in the upper and lower deadpoint.
  除此之外，还要检查上下死点的间隙。
• This paper also considers the effects of radial and axial clearances, probe blockage, step matching and measuring techniques on the performance of the compressor.
  本文讨论了径向轴向间隙，探针堵塞，级间配合和一些测试技术对压气机性能的影响。
• Adequate clearances and operational space shall be provided around the equipment.
  设备附近应提供足够的间隙和操作空间。
• Fixed occasional defensive clearances across own area.
  修正了在自己门前玩火横向解围的问题。
• I hope this clarifies and we thank you for your patience while we work on obtaining these clearances.
  希望我回答清楚了你的询，我们仍在为所在国的批准奔走，谢谢你的耐心等待。