单词 | aided-tracking mechanism |
释义 | aided-tracking mechanism [`ād·ǝd `trak·iŋ ´mek·ǝ´niz·ǝm] ENGINEERING A device consisting of a motor and variable-speed drive which provides a means of setting a desired tracking rate into a director or other fire-control instrument, so that the process of tracking is carried out automatically at the set rate until it is changed manually. |
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