hydrographic sextant

[′hī·drə′graf·ik ′seks·tənt] (engineering) A surveying sextant similar to those used for celestial navigation but smaller and lighter, constructed so that the maximum angle that can be read is slightly greater than that on the navigating sextant; usually the angles can be read only to the nearest minute by means of a vernier; it is fitted with a telescope with a large object glass and field of view. Also known as sounding sextant; surveying sextant.

单词	hydrographic sextant
释义	hydrographic sextant hydrographic sextant [′hī·drə′graf·ik ′seks·tənt] (engineering) A surveying sextant similar to those used for celestial navigation but smaller and lighter, constructed so that the maximum angle that can be read is slightly greater than that on the navigating sextant; usually the angles can be read only to the nearest minute by means of a vernier; it is fitted with a telescope with a large object glass and field of view. Also known as sounding sextant; surveying sextant.
随便看	berbice berbice chair berbice chamber of commerce and development association berbice cricket league ber (bit error rate) management protocol berbmtm berboh berc bercc berceau bercen berceo, gonzalo de berceuse berceuses berce, vizbulis augusts berchet, giovanni berching-breitenfurt berchmans institute of management studies berchogur berchta berchtesgaden berchtesgadener land berchtesgaden meeting of 1938 berchtesgarden berchtold, leopold, graf von