clearance是什么意思？

clearance

英[ˈklɪərəns] 美[ˈklɪrəns]

• n. 清洁，清扫，[建]净空，空隙，间隙，放行证；

复数：clearances;

例句

• Clearance of this cheque could take a week. 这张支票兑现可能需要一个星期。
• The ship sailed as soon as it got clearance. 那艘船一办好离港手续立刻启航了。
• Clearance after the fire, Chinese cabbage, Suanmiao Add to the water basin. 关火后, 将小白菜 、 蒜苗过水放入盆内.
• 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。
• It is because of the big clearance between the brake facings? 是不是因为刹车片之间的间隙太大了?
• Clearance work to make way for pipelines was decimating the world's third - largest mangrove forest. 为铺设管道而开展的清理工作毁灭了世界第三大的红树林.
• The clearance between the two cars was only ten centimeters. 两辆汽车间的距离只有10公分.
• Our record of slum - clearance cast other cities in the shade. 我们清理贫民窟的政绩使其他城市黯然失色.
• Clearance of the site required the removal of a number of trees. 清理这一场所需要移走不少树。
• Objective : To investigate the feasibility, safety and cancer clearance of laparoscopic distal gastrectomy with D 2 lymphadenectomy. 目的: 比较腹腔镜辅助下远端胃癌根治及D2淋巴结清扫术的手术方法、可行性及安全性.

柯林斯高阶英汉双解学习词典释义

• N-VAR
  清除;清理
  Clearance is the removal of old buildings, trees, or other things that are not wanted from an area.
  例句
  ...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。
• 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.
  例句
  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。
• 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.
  例句
  The lowest fixed bridge has 12.8m clearance. 最低的固定桥下方通行高度为12.8米。

英汉词典释义

• n.
  净空, 余隙
  The clearance between the two cars was only ten centimeters. 两辆汽车间的距离只有10公分。
  许可, 批准
  The ship sailed as soon as it got clearance. 那艘船一办好离港手续立刻启航了。
  (银行)票据交换, 清算
  Clearance of this cheque could take a week. 这张支票兑现可能需要一个星期。

英英词典释义

• Noun
  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;
  "the plane was given clearance to land"

行业词典

• 体育： 跳高成绩；越过障碍；横杆；
  公路科技： 净空；
  医学： 清除：清除的过程；从血内清除某物质的速率；清除率，廓清率：自血中清除某物质的定量量度；每单位时间内完全清除该物质的血浆体积。某物质的肾清除率由公式C＝V×U／P求出，其中C为清除率，V为尿体积(ml／min)，U为该物质的尿浓度，P为血浆浓度。清除率符号为C；间隙：存在于对立结构之间的空间；
  法律： 票据交换；票据交换总额；
  煤炭： 空气间隙；两裸露导电部分间的最短距离。；
  电力： 净空距离；
  电子学： 余隙；
  电工： ［电气］间隙；
  航海科技： 结关；
  金融： 结关；报关；票据交换清算；结清货款；
  铁道： 限界；又称 :限界(gauge)；悬距；又称 :悬距(air-gap)；