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。

POP3: Post Office Protocol Version 3

达进电路版有限公司第三版电子邮局协议

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

Discussing several HL7 version 3 message key techniques

HL7Version3消息若干关键技术探讨

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

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。

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。

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）

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。

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。

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。

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

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。

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。

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。

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。

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。

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。

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。

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。