| 释义 |
clear·ance AHD[klîrʹəns] D.J.[ˈklɪərəns]K.K.[ˈklɪrəns]n.（名词）- The act or process of clearing.清洁，清扫：清洁的行为或过程
- A space cleared; a clearing.清理过的空间；清光林木的空旷地
- Abbr. cl.缩写 cl.
- The amount of space or distance by which a moving object clears something.清除区域：移动物体其清除某物的空间或距离的大小
- The height or width of a passage:净空，余隙：通道的高度或宽度：an underpass with a 13-foot clearance.有13英尺净空的高架桥下通道
- An intervening space or distance allowing free play, as between machine parts.空隙，间隙：允许自由运动所介入的空间或距离，如在机器零件之间的
- Permission for an aircraft, ship, or other vehicle to proceed, as after an inspection of equipment or cargo or during certain traffic conditions.结关，准许通行：让飞机、轮船或其它交通运输工具继续前进的许可，如经过对设备和货物的检查或在特定的交通状况下
- Official certification of blamelessness, trustworthiness, or suitability.证明书：无过失、可靠或称职的官方证明
- A sale, generally at reduced prices, to dispose of old merchandise.清仓大拍卖：处理旧货的销售，通常减低价格
- Abbr. cl.The passage of checks and other bills of exchange through a clearing-house.缩写 cl.票据交换：通过票据交换所的支票传递或其它帐单的交换
- Physiology 【生理学】
- The removal by the kidneys of a substance from blood plasma.清除：肾将血浆中一种物质的移出
- Renal clearance.肾清除
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