| 单词 |
clock drive |
| 释义 |
Clock Drive clock drive[′kläk ‚drīv] (engineering) The mechanism that causes an equatorial telescope to revolve about its polar axis so that it keeps the same star in its field of view. Clock Drive in astronomy, a mechanism of a telescope mounting designed to rotate the telescope at a constant speed about its polar axis—one turn for each sidereal day—to allow the telescope to track a celestial body being observed. |
| 随便看 |
- castro, américo
- castro cipriano
- castro, cipriano
- castro county
- castro county, texas
- castro county, tx
- castro fidel
- castro, fidel
- castrogiovanni
- castro, inés de
- castroism
- castroist
- castroite
- castro, jose maria ferreira de
- castro, josue apolonio de
- castro, josué apolonio de
- castro, josé maria ferreira de
- castrop-rauxel
- castro raúl
- castro, raúl
- castro, rosalia de
- castro, rosalía de
- castro ruz, fidel
- castro ruz, raul
- castro ruz, raúl
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