查询词典 astronomical

Binary systems are not rare in a galaxy, not worthless objects either for a distant observator, for they will sometimes perform a astronomical phenomenon called occultation, that one star's radiance covers the other and makes the luminance of the whole system change regularly.

双恒星在星系内并不少见，对于遥远的观测者来说也算值得注意的对象，因为它们会发生互掩，一颗星的光芒盖过另一颗的，从而导致整体的亮度时明时暗，周期变化。

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。

Although these effects are negligible for astronomical black holes, they are significant for hypothetical very small black holes where quantum-mechanical effects dominate.

虽然这些作用对天文上的黑洞是可以忽略不计，它们对假设受量子力学支配的很小的黑洞意义很大。

Even so, the end date of the current Long Count cycle—winter solstice 2012—may be evidence of Maya astronomical skill, said Aveni, the archaeoastronomer.

即便如此，现时推行的结束日期计数周期冬至2012年，可能是玛雅天文技术的证据，说戴维尼的archaeoastronomer。

The large hotels have well-supplied tourist shops , but their prices are astronomical compare d to local shops .

大的饭店都有物品丰富的旅游商店，但是，与本地商店相比，价格为天文数字。

The Light Equation: The height of the Great Pyramid, minus the height of the capstone represents one millionth the time it takes light to travel the mean radius of the earth's orbit around the sun (1 astronomical unit) using 1 Pyramid Inch equals 24 hours.

在轻方程：在大金字塔的高度，减去顶峰高度代表百万分之一的时间光旅行地球绕着太阳（1天文单位）使用1英寸的轨道金字塔平均半径等于24小时。

The function of astronomical leveling in height survey of position traverse control network is introduced.

简要介绍了天文水准在阵地导线网高程测量中的作用。

The authors have discovered an important triggering factor of a violent earthquakes—the abnormal superimposition of tide-generating force resonance from typical analysis and compared all astronomical and geophysical factors.

笔者通过典型分析和普查对比各种地球物理因子和各种天文因子可能影响的整体研究，找到了大地震临震的主要触发因子——以月亮为主的非经典引潮力共振的异常叠加。

The lunar optical astronomical telescope can be fixed in the cabin of the satellite outboard, so we can add a dome in the cabin to protect the telescope lens from the lunar dust.

由于望远镜可以安装在卫星最外侧的舱内，所以，可在卫星舱体上加护盖，防止月尘污染望远镜镜头。

For example, there are multi-function halls, astronomical observatory, art room, music room, speech room, computer room, Science and Technology Office, reading room, natural laboratory, literature movable room, and the labor technical ability room.

有多功能厅，天文台、美术室、音乐室、语音室、微机室、科技室、阅览室、自然实验室、文艺活动室、劳动技能室，在这里同学们得到了最全面的发展。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。