本刊

For souvenir " earthly day ", establish consciousness of hardship of resource of the whole people, protect the earth, this print editorial office is special branch of youth of society of economy of as geological as division of science and technology of academy of economy of Chinese land natural resources, China mineral products was engineered jointly this period commemorative column, li Xinyu of academy of economy of natural resources of land of specially invite China's deputy researcher, Wang Wen's deputy researcher, Hu Xiaoping's deputy researcher " be kind to resource of the earth, protection " write civil, with period the protective consciousness that raises numerous people, be kind to the earth, protect resource, to build comparatively well-off society in the round the implementation of grand target provides enough resource safeguard.

为纪念&地球日&，树立全民资源忧患意识，保护地球，本刊编辑部特与中国国土资源经济研究院科技处、中国地质矿产经济学会青年分会共同策划了本期纪念专栏，特邀中国国土资源经济研究院李新玉副研究员、王文副研究员、胡小平副研究员就&善待地球、保护资源&撰文，以期提高广大民众的保护意识，善待地球，保护资源，为全面建设小康社会宏伟目标的实现提供充足的资源保障。

The lost city of the Incas, remained forgotten for the next 400 years.

失落的印加城在此后的400年中。本刊所有下载音频均为MP3格式。

This newspaper first argued for legalisation 20 years ago.

本刊上一次提出毒品合法化的观点是在20年前。

Therefore, in the first spring of the new millenium, we offered the column of Writing Conference, invite the musicologists to make suggestions and offer advice to Chinese musicology in 21st century.

有鉴于此，在新世纪的第一个春天，本刊特辟这一笔会专栏，邀请部分中青年音乐学家来对21世纪的中国音乐学献计献策。

Your correspondent believes some form of prioritisation for time-sensitive data is going to be crucial in a world of video everywhere.

本刊记者认为，在一个处处充斥视频的世界里，某种针对时间敏感数据的优先级形式，至关重要。

Once described by this newspaper, perhaps with undue harshness, as "the hopeless continent", it could yet confound its legion of gloomsters and show that its oft-heralded renaissance is not just another false dawn prompted by the passing windfall of booming commodity prices, but the start of something solid and sustainable.

非洲曾经被本刊过分的形容为&无望大陆&，他仍可能令一大票悲观论者满头雾水；此次与以往常常提前宣布的复兴不同，不是商品价格意外的短暂繁荣带来的又一个黎明假相，而是坚实持久的变化。

This print asks Mr Wei Xumin to make " of one " foreword talk simply overall experience, as a result he says " me unexpectedly Buddhist templeput on the brakes does not live, write into an article ", the title of the article cries " defeat since Shui Qiongyun aurelian change butterfly ", in modesty deep accumulate poetic flavour and thought.

本刊请魏恤民先生作一&序&简单谈谈总体感受，结果他说&我竟刹不住，写成了一篇文章&，文章的题目叫《水穷云起破蛹化蝶》，谦虚中深蕴诗意和思想。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。