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

• 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。
• 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
• Clearances for those who require them are a priority and are handled very efficiently.
  那些需要做背景调查的人享有优先并且他们的申请会被尽快处理。
• Bifurcation and Chaos for a Multi-degree-of-freedom Vibratory System with Clearances
  一类多自由度含间隙动力系统的分岔与混沌
• 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。
• 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
• Meanwhile, T-Z curves can be drawn so that bring forward a new method of confirming mould clearances in mould design.
  同时可拟出T-Z曲线，提出了在模具设计中确定模具间隙的一种新方法&查图法。
• 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。
• 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。
• 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