单词 | Michaelson actinograph |
释义 | Michaelson actinograph [`mī·kǝl·sǝn ak`tin·ǝ´graf] ENGINEERING A pyrheliometer of the bimetallic type used to measure the intensity of direct solar radiation; the radiation is measured in terms of the angular deflection of a blackened bimetallic strip which is exposed to the direct solar beams. |
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