Challenges and opportunities coexist, innovation and development of symbiosis, difficult and accompanied by success.

The clues I present here of symbiosis , directed mutation, saltationism, and self-organization, are far from conclusive.

我在本书中提供的种种事例,包括共生共栖 、 定向突变 、 骤变论以及自组织现象, 都还远远称不上是最后的定论.

Him Hyun-Woo ( Kim Rae-Wom ) A harvard law school freshman from korea.

金贤宇(来沅饰 ) 哈佛大学法律系一年级的韩国留学生.

This paper gives a RAE tree which can make inferenec in database.

本文给出了一种能在数据库中执行推理的RAE树,并给出了将规则转换为RAE树的方法.

Conclusion Segmental RAE is an effective and safe approach to the treating RAVM and RAVF.

结论　节段性肾动脉栓塞是一种治疗肾动、静脉畸形或瘘安全、有效的方法.

The new law could create a "no lose" situation for the phone companies that could leave ratepayers worse off.

这项新的法律将会让电话运营公司“稳赚不赔”，但是消费者利益可能会继续受到侵害。

Objective : To study a way to reduce invasive for internal fixation of the fracture of ramus.

目的: 探讨下颌升支骨折内固定如何减小创伤.

One prisoner set fire to rags and hurled them into the courtyard.

一名囚犯将破布点着，扔进院子。

Cook the meat to rags, please.

请把肉煮得烂烂的.

This old rags he exchanged for two boxes of matches.

脱下来的破东西换了两包火柴.

Paper is made from rags.

纸是由破布制成的.

The meat was cooked to rags [ a pulp ] .

肉煮得 稀烂.

The shirt was worn to rags.

这件衬衫已穿得破烂不堪.

Objective To compare the clinical effect between Vicryl Rapide and catgutCat-gut and thread after episiorrhaphy.

目的比较快薇乔缝线和铬制肠线加丝线在会阴切口缝合后的临床效果.

It will be built in an underground dedicated railway tunnel.

全线均采用专用轨道,并以地下隧道形式兴建.

He suggested that a railway tunnel should be built.

他建议建造一条双轨的隧道.

Wuqiaoling tunnel, the longest single-track railway tunnel in China, is the key project of Lanzhou-Urumchi Railway.

乌鞘岭隧道是兰新线重点控制工程,是国内最长的单线铁路隧道.

Medical Systems will unveil new technologies and approaches for radiotherapy and radiosurgery.

瓦里安医疗系统公司将推出新的技术和方法为放射治疗和放射治疗.

Stereotactic radiosurgery ( SRS ) may offer an alternative option for high-risk patients who are not surgical candidates.

立体定向放射外科 ( SRS ) 对于无手术适应症的高风险患者可能提供一种治疗的选择.

Hunger sweetens what is bitter.

饥者易为食.

Business sweetens pleasure, and labour sweetens rest.

工作后消遣更愉快, 劳动后休息更舒畅.