clearance
n. 清除,清理; (官方)许可; 间距
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
The UN pledged to help supervise the clearance of mines.
联合国承诺协助监督扫雷工作。
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。
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。
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。
1. the distance by which one thing clears another; the space between them
2. vertical space available to allow easy passage under something
3. permission to proceed;
Clearance no longer valid after 25.
放行有效期不超过25分.
The top of Fig. 5 shows the clearance values during navigation.
图5的顶部表示(机器人)导航时的间隙值.
JAVA games Sokoban and a total of 12 clearance.
又一款JAVA推箱子游戏,一共12关.
Drive pinion to stop collar clearance shall be controlled to OEM specifications.
驱动器小齿轮到止推卡环的缝隙应控制在OEM的标准之内.
Creatinine clearance rate was 67.4 % as against 50 %.
血中肌酐正压透析平均清除67.4%,负压透析平均清除50%.