clearance
- n.间隙;清除;清理;许可，准许;净空;间距;排除;解围;(录用或准许接触机密等以前的)审查许可，审核批准;（支票的）兑现
复数： clearances
clearancenoun
清除；排除；清理
the removal of things that are not wanted
forest clearances
伐空的林地
slum clearance (= the removal of houses that are in very bad condition in an area of a town)
拆除贫民窟
a clearance sale (= in a shop/store, when goods are sold cheaply to get rid of them quickly)
清仓大甩卖
净空；间距；间隙
the amount of space or distance that is needed between two objects so that they do not touch each other
There is not much clearance for vehicles passing under this bridge.
车辆在这座桥下通过时没有多少余隙。
a clearance of one metre
一米的间距
（录用或准许接触机密等以前的）审查许可，审核批准
official permission that is given to sb before they can work somewhere, have particular information, or do sth they want to do
I'm waiting for clearance from headquarters.
我在等待总部的录用审查许可。
All employees at the submarine base require security clearance.
所有潜水艇基地的雇员必须得到安全部门的审查许可方可录用。
（人、交通工具出入空港或出入境的）许可，准许
official permission for a person or vehicle to enter or leave an airport or a country
The pilot was waiting for clearance for take-off.
飞行员在等待起飞的许可。
（支票的）兑现
the process of a cheque being paid by a bank
（足球及其他一些体育运动中的）解围
a clearance in football ( soccer ) and some other sports is when a player kicks or hits the ball away from the goal of his or her own team
clearance
-
1
N-VAR 清除;清理
Clearance is the removal of old buildings, trees, or other things that are not wanted from an area....a slum clearance operation in Nairobi...
内罗毕拆除贫民窟的行动
-
2
N-VAR (官方的)批准，许可
If you get clearance to do or have something, you get official approval or permission to do or have it.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。
-
3
N-VAR (路面、河面与上方桥梁之间的)净空，间隙，间距
The clearance of a bridge is the distance between the lowest point of the bridge and the road or the water under the bridge.The lowest fixed bridge has 12.8m clearance.
最低的固定桥下方通行高度为12.8米。
-
Objective Research of the clinical value of caffeine clearance test .
目的评价咖啡因清除试验作为定量肝功能试验的临床应用价值。方法口服250mg咖啡因后测定二次受试者血药浓度，计算咖啡因清除率。
-
Bacterial clearance rate was low ( 14 . 28 % ) .
病情重且迁延，易反复发作，细菌清除率低（14.28%）。
-
The pilot was given clearance to land by air traffic control .
飞行员得到空中交通管制站发出的着陆许可。
-
All employees at the submarine base require security clearance .
所有潜水艇基地的雇员必须得到安全部门的审查许可方可录用。
-
The pilot was waiting for clearance for take-off .
飞行员在等待起飞的许可。
-
I 'm waiting for clearance from headquarters .
我在等待总部的录用审查许可。
-
They have to wait for clearance from air traffic control .
他们需要等空中交通管制人员的放行。
-
He has a security clearance that allows him access to classified information
他获得了安全许可，可以接触机密信息。
-
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。
-
The UN pledged to help supervise the clearance of mines .
联合国承诺协助监督扫雷工作。
-
The lowest fixed bridge has 12.8m clearance .
最低的固定桥下方通行高度为12.8米。
-
Clearance of this check could take a week .
支票兑现可能需要一个星期。
-
There is not much clearance for vehicles passing under this bridge .
车辆在这座桥下通过时没有多少余隙。
-
The ship sailed as soon as it got clearance .
那艘船一办好离港手续就立刻启航了。
-
Customs clearance shall be based on inspection of the original declaration made at the time of entry .
海关凭原入境申报单查验放行。
-
The clearance between the bridge and the top of the bus was only ten centimeters .
桥与公共汽车顶之间的距离只有10公分。
-
A program of slum clearance has been approved but God knows when it will come to pass .
拆除旧房屋的计划得到了批准，但天晓得什么时候能实现。
-
But I can 't get to him without clearances .
但是没有证明我就没法见到他。
-
Design of Large Flexible Bearing and Measurement & Calculation of Clearance
大型柔性轴承的设计及游隙的测量与计算
-
Control System of Full Position Pipe Welding Unit with Narrow Clearance
窄小间隙全位置管焊机控制系统
-
Get clearance before making major design changes .
在进行主要的设计变更之前进行清理。
-
Simulation of impact test bench with pendulum based on bearing clearance model
基于轴承间隙模型的摆锤碰撞试验台仿真研究
-
Representation Formation of Tip Clearance Flow and Influence on Turbine Performance
透平动叶顶部间隙流的表现形式及其对透平性能的影响
-
Effect of Clearance Area on Urban Green Coverage Rate
城市拆迁空地对城市绿化率的影响
-
Research on Process of Steam Gland Installation and Adjustment of Clearance
安装、调整汽封间隙的工艺、工装研究
-
Application of Differential Optical Fiber Sensor on Tip Clearance Measurement
差动式光纤传感器在叶尖间隙测量中的应用
-
Optimum clearance and design countermeasure of water hydraulic element
水液压元件的最佳间隙与设计对策
-
Computer Realization of Electric Clearance Check for Tower Head of Transmission Line
输电线路塔头电气间隙校核的计算机实现
-
Numerical Study of the Flow in Axial Cascade with Tip Clearance
具有叶顶间隙轴流叶栅流动数值模拟
-
Discussion again on principle effect of side clearance angle to cutting surface roughness
锯料角影响锯切表面粗糙度机理再探