详细释义
- =Royal Academy (英国)皇家学院
- 正规陆军(=regular army)
- 赤经(=right ascension)
- 【化】元素镭(radium)的符号
- 【埃及神话】太阳神
abbr. (缩略词)
英英释义
Noun:
-
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
-
ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods
-
(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere;
"one hour of right ascension equals fifteen degrees"
双语例句
- 1. There have been growing signs of a ra-pprochement with Vietnam.
- 同越南恢复友好关系的迹象越来越明显了。
来自柯林斯例句
- 2. Jones himself was a curious mixture of ra-dicalism and conservatism.
- 琼斯自己是个奇特的混合体,既保守又激进。
来自柯林斯例句
- 3. Conclusion CPA is a new and specific marker for RA.
- 结论CPA对RA诊断有较好的敏感性和特异性,可作为RA的 血清学诊断指标.
来自互联网
- 4. Conclusions Anti - CCP and VEGF have unique value in the diagnosis of RA.
- 结论 抗 CCP抗体和VEGF在RA诊断中具有其独特的应用价值.
来自互联网
- 5. The information for aneurysms by routine DSA and 3 D - RA were observed.
- 分别观察记录常规DSA及3D-RA对颅内动脉瘤提供的诊断信息.
来自互联网
用法讲解
相关词汇
- right ascension 赤经
- radium [化]镭(元素符号Ra)...
- re 关于
- celestial longitude 黄经
【近义词】
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