单词 | hydrophotometer |
释义 | hydrophotometer [´hī·drǝ·fǝ`täm·ǝd·ǝr] OPTICS An instrument for measuring the attenuation coefficient of collimated light in sea water, in which light from a collimated source is directed through a column of sea water and is measured by a photocell or other electronic device at the other end of the column. |
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