sextant信息详情
n.六分仪(航海定向仪器);圆的六分之一
sextants───n.六分仪(航海定向仪器);圆的六分之一
extant───adj.现存的;显著的
sextan───adj.(发热)每六天发作一次的
sextantal───%l:%M%p
sextains───n.六行诗节;六节诗
Sextans───n.六分仪座
gestant───手势
reptant───adj.匍匐的,爬行的
saltant───n.突变型;adj.飞跃的;跳跃的;飞舞的
When on the surface, the quartermasters may use a sextant to obtain navigation fixes as a backup to our modern day systems.───当在水面时,航海士官长们可以使用六分仪来获得航行定位以作为我们现代定位系统的备用资料。
Imagine trying to deduce this with the naked eye, a sextant and little else.───试想一下在没有六分仪和其他仪器的帮助下,仅用肉眼观测就来推断的困难吧。
Maria taught them to use the sextant, an instrument measuring the height of the sun from the horizon.───玛丽向他们传授使用六分仪的方法,这种仪器可以用来测算太阳距海面的高度。
He revealed the secret of a sextant. A device for mastering distances at sea, it could turn tides, winds and waves into powerful allies.───他透露了六分仪的秘密,这是航海时测量距离的仪器,它能将潮流、风和浪变成强大的联合。
Sextant: Relatively useless without tables and a chronometer.───航海六分仪:没有手表和天文台表就没用了。
Reduction from sextant altitude to observed altitude for any of the 9110 stars, nine planets, and sun and moon.───从六分仪观测海拔高度降低至9110年的任何恒星,九个行星,太阳和月亮。
Other early instruments included the sextant and the astrolabe.
You had to be able to fix your position just like a ship at sea,[http://Sentencedict.com] with sextant and star charts.
Sextant can be used for exploration and navigation .
Even Powell, constantly consulting sextant and compass, felt flummoxed.
Sextant once played a very important role in navigation.
To navigate , they must fix their sextant on something concrete.
Once, Billy Hawkins got up in the middle of dinner, walked to the boats, and pulled out the sextant.
Reduction from sextant altitude to observed altitude for any of the 9110 stars, nine planets, and sun and moon.
Is sextant still widely used for navigation?