| 单词 | fence |
| 释义 | fence [fens] AEROSPACE ENGINEERING A stationary plate or vane projecting from the upper surface of an airfoil, substantially parallel to the airflow, used to prevent spanwise flow. COMPUTER SCIENCE See <<fence cell>> ENGINEERING 1. A line of data-acquisition or tracking stations used to monitor orbiting satellites. 2. A line of radar or radio stations for detection of satellites or other objects in orbit. 3. A line or network of early- warning radar stations. 4. A concentric steel fence erected around a ground radar transmitting antenna to serve as an artificial horizon and suppress ground clutter that would otherwise drown out weak signals returning at a low angle from a target. 5. An adjustable guide on a tool. |
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