查询词典 ecliptic

Either half of the celestial sphere as divided by the ecliptic, the celestial equator, or the horizon.

半天球被黄道，天赤道或地平圈分成两半的天球

Either of two points on the celestial sphere at which the ecliptic intersects the celestial equator.

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Astronomy either of the two celestial points at which the celestial equator intersects the ecliptic.

在天球上天赤道与黄道相切的两点中的任一点。

Astronomers also need to have accurate definitions for concepts such as the celestial equator — the imaginary line on the sky above the equator on Earth — and the ecliptic — the path of the Sun across the sky — as some earlier reference frames were based on these.

天文学家还需要有诸如天球赤道的概念，准确的定义-关于地球赤道上方的天空假想线-和黄道-太阳在天空的道路-一些早期的参考帧是在此基础。

"Autumnal equinox:The point at which the ecliptic intersect s the celestial equator, the sun having a southerly motion."

秋分：指黄道与天赤道相交的一点，自此太阳向南运动。

"Autumnal equinox:The point at which the ecliptic intersects the celestial equator, the sun having a southerly motion."

秋分：指黄道与天赤道相交的一点，自此太阳向南运动。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。