| 单词 | reflector |
| 释义 | reflector [ri`flek·tǝr] ELECTROMAGNETISM 1. A single rod, system of rods, metal screen, or metal sheet used behind an antenna to increase its directivity. 2. A metal sheet or screen used as a mirror to change the direction of a microwave radio beam. ELECTRONICS See <<repeller>> GEOPHYSICS A layer or horizon that reflects seismic waves. NUCLEONICS A layer of water, graphite, beryllium, or other scattering material placed around the core of a nuclear reactor to reduce the loss of neutrons. Also known as tamper. |
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