查询词典 Sextant

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。

Sextant was very important to navigation.

六分仪曾是航海不可或缺的。

An instrument based on the principle of the sextant but employing only a45=angle, used as an aid in navigation.

八分仪以六分仪的规则为基础设计的一种仪器，但只采用45°角，用来帮助航海

42 thoracolumbar fracture patients were divided into two groups: 18 cases were included in the Sextant percutaneous pedicle screw fixation group and 24 cases were in the open pedicle screw fixation group. The perioperative index including correction of kyphosis, recovery of neurological function and relief of the low back pain was compared.

2006年12月～2009年3月选择42例胸腰椎骨折患者给予附加伤椎固定的三椎体六钉固定，分别采用Sextant系统下微创经皮椎弓根螺钉内固定手术（18例，微创组）和传统开放椎弓根螺钉内固定手术（24例，开放组），对两组患者围手术期相关指标、后凸畸形矫正情况、术后神经功能恢复、腰背痛改善等进行比较。

I…found a sextant…"Now," I said,"they take the sun through this thing."

我……找到一个六分仪。&好啦！&我说，&他们就是用这个测定太阳的高度。&

I…found a sextant…"Now," I said,"they take the sun through this thing."

好啦！&我说，&他们就是用这个测定太阳的高度。

This was with Shiffar's and Sextant, there are somereports from items seemingly sharing their cooldowns?

我用的是希法尔的节点号角和逆流六分仪，好象有些人说他们共享CD啊？

Modern and practical astronomy was developed in the 18th century, and successively from the theoretical and practical solution to the Sino-satellite instrument measuring time, too Seoul Scott multi-satellite measurements such as latitude, as well as simultaneous determination of longitude and latitude Supreme Court means the emergence of theodolite, contour instrument, the satellite instrument, zenith instrument, photographic zenith tube, sextant and other useful astronomical instruments, the most commonly used is the optical theodolite .20 century, all-round practical field of astronomy 60 years after the emergence of new technologies, such as satellite Dhoop Le observation and satellite laser ranging, not only the accuracy of more than optical observations, but also greatly improved operating speed, and can provide direct point of geocentric coordinates of the ground.

现代实用天文学是18世纪发展起来的，先后从理论和实践上解决了中星仪测时、太尔各特测纬以及多星等高法同时测定经度和纬度的方法，出现了经纬仪、等高仪、中星仪、天顶仪、照相天顶筒、六分仪等实用天文学仪器，最常用的是光学全能经纬仪。20世纪60年代以后实用天文学领域出现了崭新的技术，如人造卫星多普勒观测和人卫激光测距，不但精度超过光学观测，而且作业速度大大提高，并能直接提供地面点的地心坐标。

Maria taught them to use the sextant , an instrument measuring the height of the sun from the horizon, and then to calculate the position of a ship through the use of mathematics and celestial navigation .

玛丽亚教他们使用六分仪，这是一种测量太阳离开水平线高度的仪器，后来又教他们通过数学和天体导航法的应用来推算船只的位置。

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？