查询词典 lunar eclipse

This paper reviewed main progress in lunar gravity field and topography modeling, and summarized main results of lunar gravity study, especially those related to the lunar crust and mascon structure.

本文回顾了月球重力测量及月球重力场模型、月球地形模型等主要研究进展，总结了月球重力场在月球内部结构研究，特别是在月壳结构以及月球质量瘤等方面取得的研究成果。

September 27, 1949, New China was founded, in the first plenary session of the CPPCC, through the use of the world's common era calendar to the Gregorian calendar January 1 set for the New Year's Day, commonly known as the solar calendar years; who started the first lunar month is usually around the beginning of spring, thus the beginning of the Lunar New Year is definitely a "Spring Festival", commonly known as the lunar year.

1949年9月27日，新中国成立，在中国人民政治协商会议第一届全体会议上，通过了使用世界上通用的公历纪元，把公历的元月一日定为元旦，俗称阳历年；农历正月初一通常都在立春前后，因而把农历正月初一定为&春节&，俗称阴历年。

The simulation results show that the driving placidity, terrain-adaptability, steering sensitivity of the two-crank-slider lunar rover is better than that of six-wheel- rocker-bogie lunar rover, the over-obstacle ability is equal to and the untipover stability is inferior to that of six-wheel- rocker-bogie lunar rover.

仿真结果显示：双曲柄滑块探测机器人的平顺性、地面适应性、转向灵敏度优于六轮摇臂探测机器人，越障性能与六轮摇臂探测机器人相当，抗倾覆性不如六轮摇臂探测机器人。

The most recent solar eclipse occurred on January 26, 2009, and was an annular eclipse.

最近的日食发生在2009年1月26日，是日环食。

Why Could We Observe Eclipse instead of Annular Eclipse of the Moon?

为什么能观察到日环食，而不能观察到月环食？

Annular eclipse ;eclipse of the sun by the moon when a ring of sunlight can be seen round the moon

环蚀(在月球周围可见到一圈阳光的日蚀)。

An annular eclipse occurs instead of a total eclipse when the Moon is on the far part of its elliptical orbit around the Earth.

而发生日环食而不是日全食的是因为月亮运行到距离地球较远的轨道上，于是月亮的本影只能遮到太阳的中心。

The next annular eclipse of the Sun will take place in 2010 January, although a total solar eclipse will occur this July.

尽管在今年7月会有一次日全食，但下一次日环食还要等到2010年一月。

Using the IAU value for k, the Astronomical Almanac identified this event as a total eclipse of 3 s duration when it was, in fact, a beaded annular eclipse.

使用IAU所提供的K值，天文年鉴确定其为持续时间为3秒的全食，实际上珍珠状的环食。

A PARTIAL solar eclipse will be seen in Shanghai on the afternoon of January 15, when the first annular eclipse in China in 22 years and the longest in the world for the next 1,000 years will be visible in some provinces.

一月十五日下午，上海将出现日偏食，同时其他省份将观测到中国境内22年来首度出现的日环食，这也是在接下来的1000年中持续时间最长的日环食。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。