| 单词 | crossover |
| 释义 | crossover [`krȯs´ō·vǝr] CIVIL ENGINEERING 1. An S-shaped section of railroad track joining two parallel tracks. 2. A connection between two pipes in the same water supply system or a connection between two water supply systems. ELECTRICITY A point at which two conductors cross, with appropriate insulation between them to prevent contact. ELECTRONICS The plane at which the cross section of a beam of electrons in an electron gun is a minimum. ENGINEERING The portion of a draw works' drum containing grooves for angle control so the wire rope can cross over to begin a new wrap. GENETICS See <<crossing-over>> |
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