阳光的温暖接着使那水晶的硬壳，从树枝上崩落，一齐倾泻在雪地上-，这么一大堆碎玻璃尽够你打扫，你还以为是天顶的华盖塌了下来。
Soon the sun's warmth makes them shed crystal shells - Shattering and avalanching on the snow crust-- Such heaps of broken glass to sweep away You'd think the inner dome of heaven had fallen.
关于天顶的，位于天顶的，或靠近天顶的。
天顶的水晶灯似乎正无声地诉说着历史与文化感，繁复的花叶透射着古典的美；
The sense of history and culture is revealed by the crystal chandelier on the ceiling and the elaborate floral leaves portray the classic beauty.
波利尼西亚人确定方位的一个重要方法是通过天顶星。
One important way the Polynesians had for orienting themselves was by using zenith stars.
地面亮度温度的测量值随观测天顶角、方位角和太阳位置而改变。
As expected, the measured brightness temperatures change with view zenith angle, view azimuth angle, and the Sun position.
提出了一种利用天顶观测来进行星敏感器标定的新方法。
A new method utilizing zenith observing to calibrate star sensor was proposed.
当时太阳正在天顶，因此这黑色并不是阳光照射所造成的阴影。
The material's darkness does not appear to be caused by shadows, as the Sun was near zenith when the image was taken.
天顶跟踪盲区是地平式光电跟踪系统的固有缺陷。
Photoelectric tracking system with horizontal gimbal can not track objects near zenith.
结果表明：可探测星等极限值随观测高度和太阳天顶角的增加接近线性增加；
The results show that the detectable stellar magnitude limits linearly increase with observing height and solar zenith angle.
建立了双频载波相位观测模型，并将其进行无电离层延迟化简，用最小二乘原理推导了天顶湿延迟的估值公式。
The dual-frequency carrier phase observation equation is built and ionosphere-free predigested, the estimate formula of zenith wet delay is deduced with least square method.
由于星图中太阳运行到天顶，你的名声将流传开来，同时你工作也会比较顺利。
With the Sun at the zenith of your chart, your reputation will be on the rise, and your professional duties will go smoothly.
给出了在均匀介质和非均匀介质(实际大气)情况下的斯托克斯光强随脉冲间隔、传输距离和天顶角变化的函数关系。
The solutions describe stokes intensity as a function of inter pulse spacing, distance and zenith Angle in a uniform medium and in nonuniform medium (atmosphere).
卯酉方向天顶距的星径曲率改正以及子午方向天顶距的星径曲率改正。
They are the curvature corrections for recording time at the determined zenith distances when a star passes the prime vertical and the meridian circle.
随着接收终端离地高度和天顶角的增大，大气闪烁时间平滑作用降低。
Along with the increase of the zenith Angle and height above ground of an optical transmitter, the extent of the time-averaging effect decreases.
结果显示，海潮对GPS测站有厘米级的影响，而对基线向量和天顶延迟的测定的影响大约为几毫米。
The result shows that the effects are about several centimeters for GPS stations and several millimeters for baseline vectors and the determination of zenith delay in maximum.
通过对算例的分析，提出需要解决的问题：整周模糊度、实时钟差和天顶湿延迟的估计方法。
After the examples are analyzed, there are problems which need to be solved such as ambiguity, real-time clock bias error and the estimate method of zenith wet delay.
一望无际的云幕蒙住了从天顶到地平线的整个夜空。
An unwearied pall of cloud muffled the whole expanse of sky from zenith to horizon.
某星被月球的掩星现象出现在地球赤道的天顶上。
The grazing occultation of the star by the Moon is observed in the zenith at the Earth's equator.
依据ITU-R公布的随高度变化的大气结构常数模型，用FORTRAN对信噪比和误码率在不同波长与不同天顶角的条件下随高度的变化情况进行了数值模拟。
According to the ITU-R turbulance structure constant model, the SNR and BER varied with the altitude at different wavelengths and different zenith angles are simulated numerically with FORTRAN.
对基于连续运行GPS观测网络的对流层天顶延迟估算模型和参数的选择，及其对估计结果的影响进行研究。
The effects of various models and parameters in estimating the tropospheric zenith delay based on the continuous operation of GPS references network are studied.
运动的反向时间随太阳的最小天顶角的大小而变化，随太阳活动而变化。
The reverse time of the crest motion depends on the smallest zenith Angle and on solar cycle.
天津纬度站于1962、1963年继续用180毫米天顶仪进行纬度变化的观测。
Latitude observations with the zenith telescope ZTL-180 have been continued at the Tientsin Latitude Station.
他仰望深邃天边的苍穹，举起双手就要祈祷。忽然，虽未起风，却有一团乌云匆匆掠过天顶，遮住了明亮的群星。
While he still gazed upward into the deep arch of the firmament and had lifted his hands to pray, a cloud, though no wind was stirring, hurried across the zenith and hid the brightening stars.
尤其是在大天顶距的情况下，用目前的大气折射理论，不能给出可用的精确数值。
The usable accurate error values can not be given by the existing atmospheric refraction theories, especially in the case of greater zenith distances.
简要介绍“天顶号”和“旋风号”运载火箭的研制情况。
Here is the brief introduction of the development for the "Zenit" rocket engine and "Cyclone" rocket engine.
布劳恩强调人们一天顶多接触很少几张打印凭据，热敏纸不可能是接触双酚A的主要来源。
Braun notes that for people who handle only a couple of receipts a day, thermal paper is unlikely to be a major source of exposure.
这时候，它正在穿过双子座，已经走到了地平线和天顶中间的地方。
She passed over the constellation of the twins, and was now nearing the half-way point between the horizon and the zenith.
当幽暗地域中从未见过的太阳到达天顶时，作为城市时钟的天然石柱纳邦德尔，魔法之火产生的热度正沿着石柱的核心攀向中点。
The magical warmth deep in the core of Narbondel—the natural stone pillar that served as the city's clock—was climbing toward midpoint as the unseen sun reached its zenith.
本文建议了一种天顶亮度转换系数，它与室外无遮挡水平面上的天空散射光照度相乘，就能获得该天空类型的天顶亮度值。
This paper suggests a zenith luminance converting factor. By means of multiplying outdoor horizontal sky illuminance by this factor, the value of zenith luminance of the sky can be obtained.
本文建议了一种天顶亮度转换系数，它与室外无遮挡水平面上的天空散射光照度相乘，就能获得该天空类型的天顶亮度值。
This paper suggests a zenith luminance converting factor. By means of multiplying outdoor horizontal sky illuminance by this factor, the value of zenith luminance of the sky can be obtained.
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