天文

The limiting magnitude of an astronomical instrument is the magnitude of dimmest celestial object that can be observed by that instrument.

天文仪器的极限星等是指，该仪器能探测得到的最暗淡天体的星等。

"For extragalactic astronomy, the southern hemisphere is the place to be," said Koen.

&南半球是研究银河系外天文的地方，&Koen 说。

By using the data sets of the oceanic and atmospheric angular momentum during 1985~1995, the mean energy of the oceanic and atmospheric excitation in Chandler wobble band is estimated and compared with that of the geodetically observed excitation.

用1985~1995年期间海洋角动量变化序列和大气角动量变化序列，分析它们对Chandler摆动的激发能量以及它们与天文观测激发的相干性。

An international team of scientists used the IRAM radio telescope in France to detect glycolaldehyde in a massive star-forming region of space, some 26,000 light-years from Earth.

一组跨国科学家，利用法国毫米电波天文研究所的射电望远镜，在太空一个大规模的恒星形成区发现了乙醇醛，该区距离地球大约2.6万光年。

Futhermore, problems of the error of astro gravimetric leveling and the nonlinear influence are discussed.

讨论了天文重力水准的误差及垂线偏差非线性影响等问题。

The chinese calendar is a lunisolar calendar like the jewish calendar, however the main difference is that the chinese calendar uses the astronomical events, and not a approximate algorithm.

中国农历和犹太历一样，也是阴阳合历，然而其主要不同的是，中国农历使用天文事件，而不是近似的算法。

Another, somewhat simpler, approach is being developed by Szabolcs Marka, an astrophysicist, and his colleagues at Columbia University in New York.

天文物理学家Szabolcs Marka及其纽约哥伦比亚大学的同事研发出另一种更为简单的方式。

The meizoseismal area was oval in shape along NW direction with its major axis along the strike of the regional tectonic structure.

这次地震发生在人烟稀少的高山地区，震中周围120km范围内无居民点，极震区内的天文站及边防哨卡的房屋有不同程度的损坏。

For this reason, NGC 404 became known to astronomers as the "Ghost of Mirach."

网易探索讯据国外媒体报道，美国航空航天局的银河演化探测器最近成功揭开了宇宙中&幽灵&星系的神秘面纱，天文望远镜首次观察到&幽灵星系&的真实面貌，这一发现为认识星系的形成和演化提供了新的依据。

The "Ghost of Mirach" galaxy as seen in the ultraviolet. Image credit: NASA/JPL-CaltechNASA's Galaxy Evolution Explorer has lifted the veil off a ghost known to haunt the local universe, providing new insight into the formation and evolution of galaxies.

美国航空航天局的银河演化探测器最近成功揭开了宇宙中&幽灵&星系的神秘面纱，天文望远镜首次观察到&幽灵星系&的真实面貌，这一发现为认识星系的形成和演化提供了新的依据。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。