四元的

The works of Sushi scholars group are characteristic of intercourse among many antiphon poetry of each denasty in China. Especially in Yuanyou year, Sushi, Suzhe and Sushi's four students gathered in the capital, thus antiphon became one of daily activities and devoted a large number of antiphon poetry.

第一章：在中国历代众多的唱酬诗中，苏轼文人集团作品的交际性最为突出，特别是元祐年间，苏轼、苏辙及"苏门四学士"会集京师，唱和成为他们兄弟、师生、朋友之间最日常的活动之一，从而留下了数量可观的唱和诗。

The renowned Athens Acropolis (5th century BC), atop a craggy walled hill, is home to four main edifices－the Propylaea , Parthenon, Erechtheum (Ionic temple noted for its caryatid porch), and Temple of Athena Nike－all built from white marble plentiful in the region.

著名的雅典卫城（Athens Acropolis，建于西元前5世纪）位于陡峭的山岗上，有四座重要建筑物：卫城山门、巴特农神庙、厄瑞克底翁庙（Erechtheum，以女像柱〔caryatid〕闻名的爱奥尼亚神庙）和雅典娜胜利神庙，都是以该地区生产的白色大理石筑成。

Kinetic reaction behavior of neo- polyhydric alcohols with fatty acids catalyzed by sulfuric acid was studied.

比较了Brnsted酸，包括硫酸、磷酸、对甲苯磺酸，催化季戊四醇与脂肪酸的酯化反应行为，结果表明，硫酸催化酯化反应速率最快，能有效催化不同类型的新戊基多元醇与脂肪酸的酯化反应，羟基转化率达到98%以上。

IPixazza's web service currently serving 5 billion image views per year and seeing more than 19 million unique visitors a month, 70 percent of whom are in the U.S. And the startup says that its images are moused over 14 percent of the time on sites in which its technology is implemented.

IPixazza的网络服务目前正在50亿元，每年形象的意见和看到超过19万独立访客1月，其中在美国和启动表示，其形象已超过百分之十四颇为不凡的地盘时百分之七十是其技术实施。

Lubricant dynamic characteristics in lubricant region of the four-leaves bearing were researched by using boundary element method,the distribution of flow field in lubricant and the pressure on the surface of bearing neck and bearing was obtained.

用边界元方法对复杂轴承中四叶轴承的流体动力学特性进行了分析，得到了轴承润滑区的流场分布、轴颈表面和轴承内表面上的压力分布。

A multi-objective property assessment of the effects of industrial waste-water management is discussed concerning economy, the environment and management capacily. Four assessment methods: the method of fuzzy elements approaching to an ideal solution, the Blin method, the oscillating value method, and the fuzzy optimization method, are also discussed.

论述了区域内工业废水治理效果评价的经济、环境和污水处理能力的多目标性，探讨了逼近于理想解的模糊物元法、Blin法、密切值法和模糊优选法等四种多目标优选评价方法。

As we have learned, in the 263 computer rooms that have independence in Chang Ping, the deploy in the computer room 4 Cisco grade of class of 12000 series telecommunication by implement, the EMC memory server with the most advanced whole world and generation set of hundreds UPS, derv and quite bit server of the amount, investment exceeds 100 million yuan.

据了解，在263在昌平拥有独立的机房，机房中部署了四台思科12000系列电信级路由器、全球最先进的EMC存储服务器以及数百套UPS、柴油发电机组以及相当数量的刀片服务器，投入超过亿元。

The storiettes at least kept the pot a-boiling and gave him time for ambitious work; while the one thing that upheld him was the forty dollars he had received from THE WHITE MOUSE.

不过给了他信心的仍然是《白鼠》带给他的那四十元，那是他的信念之所寄托。

Investigation orgnaization Ai Rui seeks advice release " 2008, industry development paid to report on Chinese net 2009 " statistic shows, 2008, market dimensions pays to achieve 274.3 billion yuan of RMBs on Chinese net, compare the 97.6 billion RMB 2007 year grow 181% compared to the same period, had maintained three-figure the 4th year to grow compared to the same period continuously.

调查机构艾瑞咨询发布的《2008— 2009年中国网上支付行业发展报告》统计显示，2008年，中国网上支付市场规模达到2743亿元人民币，相比2007年的976亿人民币年同比增长 181%，已经连续第四年保持三位数的同比增长。

The data from the sending station is carefully divided into four parallel streams, encoded, transmitted and detected in parallel, and then reassembled into one received bit stream.

从发送站送出的资料到被小心地分割成四个平行的串流，并行地编码、传送和侦测，随后被重组成一接收到的位元串流。

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。