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

• 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。
• 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
• 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。
• Such measures should meet any concerns for security clearances.
  此种措施应满足任何关于保安审查的考虑。
• Many stores find this a desirable pricing strategy for sales and year-end clearances.
  许多商店认为这是进行大减价和年终清仓削价销售时一种可取的定价策略。
• The Assur Groups Method of Analyzing Transition Process of Planar Linkage with Pair Clearances
  用杆组法分析含间隙平面连杆机构的过渡过程
• The article calculates unsteady jet flow in concentric canister launcher with three different clearances between inner canister and outer canister.
  文中针对三种不同内、外筒间隙的同心筒发射装置，对其发射过程中发射筒内的燃气射流流场进行了非定常数值模拟。
• The dynamic analysis of an oscillating cam mechanism with clearances
  考虑运动副间隙的摆动从动件盘形凸轮机构动态分析
• Effects of Bearing Clearances on Dynamic Process of Eccentric Swinging Sheet Transfer Mechanism
  运动副间隙对偏心摆动式递纸机构动力过程的影响
• This aluminum coats and tightens up the clearances of the parts, which creates a loss of power.
  这些金属屑覆盖并使各部件间间隙变得更紧，这将导致动力损失。