查询词典 meridian

Angular distance on the earth's surface, measured east or west from the prime meridian at Greenwich, England, to the meridian passing through a position, expressed in degrees, minutes, and seconds.

经线地球表面的成角距离，从英国格林尼治的本初子午线向东或向西至经过某一点的子午线计量，以度、分和秒表示

According to the International Meridian Conference, the new millennium began when it was midnight in Greenwich, south-east London, the site of the original Greenwich Royal Observatory, where the "prime meridian"(0 longitude) is located.

根据&国际子午线大会&的决定，新千年开始时，伦敦东南部的格林威治，原格林威治皇家天文台、&本初子午线&(0经度)的所在地正是午夜。

The meridian circle telescope is used to determine the times at which stars cross the the meridian.

这台望远镜可用来探测星星越过子午线的确切时间。

Since there are some disadvantages, such as magnitudes, reference systems and difficulties in observing an asteroid during its motion in its whole orbit, etc., when the asteroid is observed simply by means of the meridian or photograph methods, a new method for observing asteroids with a lower latitude meridian circle and a CCD measuring device is proposed according to the conditions of the geographic latitude of the Yunnan Observatory which can be used to observe the whole orbit of an asteroid.

考虑到单纯用子午方法或照相方法对小行星进行观测存在着因星等、定标星系统，以及难于在小行星运行全轨道上进行观测等方面的不利因素，在本文中，根据云南天文台能观测小行星全轨道的地理纬度条件，提出利用低纬子午环与CCD测量装置相配合，并利用低纬子午环直接提供的定标星，在一个统一的基本仪器系统中，通过对小行星在全轨道上均匀分布的观测，获得高精度的小行星观测资料，以便得到更准确的星表零点改正。

Meridian is really an independent structure and function system. The meridian net is one part of the general net of life.

红细胞发出的电磁波是人体主波；经络确实是人体内一个独立的功能系统，经络网是人生命总网中的一个网。

As a result of sequence analyses, the Cyt b gene sequence of Actinia equine, Anthopleura xanthogrammica and Anthopleura midori are similar to Meridian senile (AF000023) of Actiniidae and similarity percent are 88%, 87.6% and 86.9%, respectively and all of them are in the same clade on phylogenetic trees.

结果发现，红海葵、黄侧花海葵及绿疣海葵3种海葵与已知的海葵科物种老年细指海葵的Cyt b基因序列相似性分别均为88%、87.6%和86.9%。

Time of the 165th meridian, used in western Alaska and the Aleutian Islands.

格林威治以西第时区的时间，即西经度的时区，该时区包括西阿拉斯加和''。

Methods:Yin-meridian electroacupuncture was used to treat 37 cases of high muscular tension of limbs in apoplectic hemiplegia.

运用阴经电针疗法治疗中风偏瘫肢体肌张力增高37例。

Meridian arc length used to develop the length of units, is already being used in China.

用子午圈弧长来制定长度单位，在中国早已采用。

The formulae of each meridian of the corneal anterior surface are ellipses, and the asphericity of the horizontal or near-horizontal meridians are prolate ellipses.

①正视儿童角膜前表面各截痕形态均为椭圆形，在水平、近水平方向上为长椭圆形。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？