“ra”是个多义词，它可以指ra（新型流式音频RealAudio文件格式）, ra（词条缩写）, ra（表面粗糙度）, ra（研究助理）, ra（古埃及赫里奥波里斯的太阳神）, ra（游戏名称：红色警戒(RedAlert)）, ra（生活顾问 RA(Residential Advisor)）, ra（美国乐队Ra）, ra（天文术语：赤经）, ra（美国标准的粗糙度符号）, ra（数字证书注册中心）, ra（化学元素符号）。
专业释义英英释义
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注册机构 (registration authority)速率适配 (rate adaptation)
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注册机构 (registration authority)
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类风湿性关节炎
·2,447,543篇论文数据，部分数据来源于NoteExpress
ra [ ra: ]
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n.
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an intensely radioactive metallic element that occurs in minute amounts in uranium ores
同义词： radium atomic number 88
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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
同义词： Re
- (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
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an intensely radioactive metallic element that occurs in minute amounts in uranium ores
以上来源于: WordNet
柯林斯英汉双解大词典
Ra
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1.
the CHEMICAL SYMBOL for radium 镭
Ra /rɑː/ (also Re)
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1.
N the ancient Egyptian sun god, depicted as a man with a hawk's head surmounted by a solar disc and serpent 太阳神; 古代埃及人崇拜的神，被描绘为长有鹰头的男人，头顶有一日轮和一条蛇
双语例句原声例句权威例句
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So if the symbol were Coptic, the first symbol would be "ra".
所以如果这个符号是科普特语，第一个符号就是“ra”。
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If the symbol were Coptic, the first symbol would be "ra" and then an unknown symbol followed by a double "S" sound.
所以如果这个符号是埃及古语，第一个符号应该是“ra”，然后是一个未知的符号，后面跟着一个双“S”音。
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This RA can register users and manage certificate requests without having direct access to the certifier ID and password.
这个 RA 可以注册用户并管理证书请求，而不需要直接访问证明者 ID 和口令。
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Israeli analyst Ra'anan Gissin. "The strategic thinking has to be, first of all, to have sufficient intelligence but also the right intelligence, so that we can forestall, so that we can prevent this from happening right from the beginning."
VOA: standard.2010.07.12
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that if I don't want to be an RA, or residence assistant, I can be working in the apartments
如果我不想当宿管助理员，我可以在公寓工作，
应用推荐
$firstVoiceSent
- 来自原声例句