查询词典 astronomical photometry

According to its theoretical model of the true geocentric longitude, the astronomical meaning of planetary theory in ancient China is revealed.

根据构建的行星地心平黄经的理论模型，分析了传统历法中对行星的平视运动推算的精度；又利用行星之地心真黄经的理论模型，探讨了中国古代行星算法模型的天文意义。

Known as the equinox, the geocentric astronomical event marks the first day of spring in the northern hemisphere and autumn in the south.

这个发生在地心系统的事件，标志了北半球春天的开始和南半球秋天的第一天。

Then, the application of astronomical geochronology is discussed, and the time range of SQ32 is estimated as 1.1Ma. 4. The characteristics of the three horizontal hydrocarbon source rock beds drilled by well BZ25-1-5 has been analyzed and compared with the paleoclimatic conditions.

重点分析了BZ25-1-5井钻遇的三套烃源岩的发育特征，通过与气候条件之间的对应关系，揭示了良好的气候条件对烃源岩的发育具有重要的控制作用。

During the 26th Antarctic expedition to study deep ice core drilling team will carry out the preparatory work, in the Kunlun station to build a deep ice core drilling site, while continuing to carry out the Zhongshan Station-Dome A cross-section of glaciology observations, Dome A site measurement of the Hong Kong Observatory and astronomical observations and mapping study visits, and will complete the second phase of the Kunlun station, including the installation and commissioning of sewage treatment and other equipment.

第26次南极考察期间，考察队员将进行深冰芯钻探的前期准备工作，在昆仑站构筑深冰芯钻探的场地，同时继续开展中山站-Dome A断面的冰川学观测、Dome A天文台址测量和天文观测以及测绘学考察，并将完成昆仑站的二期工程，包括安装调试污水处理等设备。

During the 26th Antarctic expedition to study deep ice core drilling team will carry out preparatory work, in the Kunlun station to build a deep ice core drilling site, while continuing to carry out from Zhongshan Station to Dome A cross-section of glaciology observations, the Hong Kong Observatory Dome A site measurements and astronomical observations and mapping study visits, and will complete the second phase of the Kunlun station, including the installation and commissioning of sewage treatment and other equipment.

第26次南极考察期间，考察队员将进行深冰芯钻探的前期准备工作，在昆仑站构筑深冰芯钻探的场地，同时继续开展中山站至冰穹A断面的冰川学观测、冰穹A天文台址测量和天文观测以及测绘学考察，并将完成昆仑站的二期工程，包括安装调试污水处理等设备。

Measuring the length of gnomon shadow was one of the fundamental astronomical measurements in ancient China.

圭表测影是中国古代天文学中最重要的测量方法之一。

It was a gnomon, Silas had been told, a pagan astronomical device like a sundial.

有人告诉过塞拉斯，这是指时针，是异教的一种天文仪器，与日晷相似。

A hairbreadth in astronomical terms.

这在天文学上算是间不容发的距离。

Mike Hapgood, secretary of the Royal Astronomical Society, said the debate has practical implications for computers, global positioning systems and for those who study phenomena — such as tides — which are related to the earth's rotation.

皇家天文学会秘书迈克·海普古德说关于闰秒的讨论将对与地球旋转有关的工作提供实际意义，例如计算机、全球定位系统和诸如潮汐等自然现象。

Astronomical sign: Symbols to represent stars of the heavenly body.

天文符号：用来表示天体星辰的符号。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。