Rails version 3, the next major release of Rails, continues the rapid advancement of the toolkit.

CCSDS Proximity 1 architecture and the transferring frame Version 3 are presented and the timing and data service are analyzed.

讨论近距离空间链路协议Proximity-1的层次结构和传输帧Version-3构成，分析包括CCSDS标准包和用户自定义数据的数据业务及定时业务。

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POP3: Post Office Protocol Version 3

达进电路版有限公司第三版电子邮局协议

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POP3: Post Office Protocol Version 3 Provisional Regional Council Chamber

第三版电子邮局协议临时区域市政局会议厅

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Discussing several HL7 version 3 message key techniques

HL7Version3消息若干关键技术探讨

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Construction of Health Event Reporting Domain Information Model Using HL7 Version 3 Methodology

应用HL7V3方法构建卫生事件报告领域信息模型

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Revolts broke out as soon as the first Qin emperor died in 210 B.C.

公元前210年-秦始皇死的那年，起义爆发。

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The Xiongnu entered Xinjiang mainly around 176 B.C.

匈奴人，主要是在公元前176年前后进入新疆的。

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The Space-time Distributing Characteristics of Wars in Guangxi ( 221 B.C.-1911);

广西战争的时空分布特征（前221&1911）

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The practice goes so far back in time that an Egyptian painting from 1500 B.C. depicts their use.

欧洲水蛭的具体医疗用法可以从公元前1500年前的埃及壁画中窥见一斑。

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The history of the pyramids in Egypt dates back to about 3.000 B.C.

埃及金字塔的历史可以追溯到公元前3000年。

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The history of castration can be traced back to 1 100 B.C.

去势术在中国的历史至少可上溯至公元前十一世纪。

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All right, now, the Forum came into being in the sixth century B.C.,

古罗马中心广场是公元前6世纪落成的

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The concept of "science" has already been used since 7th B.C. As an ancient civilized country.

公元前七世纪已经出现了科学这个概念。

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Researchers have revealed that the culture lasted mainly from 4300 B.C. to 2500 B.C.

研究者发现大汶口文化主要从公元前4300年持续到公元前2500年。

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The construction of the tomb started in 247 B.C., and it took 36 years to complete.

这座陵墓始建于公元前247年，花费了36年时间才完工。

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According to relevant researches, the culture was prosperous from 3300 B.C. to 2050 B.C.

根据相关研究，马家窑文化兴盛的时间为公元前3300年到公元前2050年。

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It is known that great wall was bulit in the3rd century B.C.

众所周知，长城是在公元前3世纪建成的。

provided by jukuu

Although no one's quite sure, some believe that the practice dates back to600 B.C.

虽然不能确定，但是据说该活动可以追溯到公元前600年。

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We have entered into an electronic information age from the era B.C. ( before computers).

我们也因电脑而进入电子资讯时期。

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For example, Xi'an's history can be traced back to the11th century B.C.

例如，西安的历史可以上溯到公元前11世纪。

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