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By formatting existing MDs into "Hi-MD" format, disc density can be approximately doubled (up to 300MB approximately in the case of an 80-minute MD).

通过改进调制和纠错方式和增强信号处理效率实现了高密度和大容量纪录。

By formatting existing MDs into "Hi-MD" format, disc densit y can be approximately doubled (up to 300MB approximately in the case of an 80-minute MD).

通过改进调制和纠错方式和增强信号处理效率实现了高密度和大容量纪录。

Cadence reported 2007 revenues of approximately $1.6 billion, and has approximately 6,000 employees.

位于上海的企业服务中心为用户提供高质量、有效的专业设计和外包服务。

The domestic demand of acetic acid up to 1,440,000-1,620,000 tons can be anticipated in 2010, if 60% is produced by methanol, 520,000 tons of methanol will be consumed;③Methanol can be used as feedstock to directly produce various pesticides ,such as fenitrothion, omethoate, dipterex etc., we anticipate that approximately 340,000 tons of methanol will be used to produce pesticides in 2010.④ Various medicines use methanol as feedstock, such as sulfanilamide, vitamin B6 etc., we anticipate that approximately 180,000 tons of methanol will be used to produce medicines in 2010.⑤ In the duration of dye production, methanol can be used as feedstock or solvent, such as s carlet base RC, disperse red GLZ, phthalocyanin ⑥ Synthetic resin also need methanol as feedstock such as organic glass, we anticipate that about 70,000 tons of methanol will be used to produce synthetic resin and plastics in 2010;⑦Synthetic fibers and synthetic rubber industry, will use methanol about 800,000 tons in 2010;⑧ At present, the production of MTBE is increase rapidly, there are 27 set of plants, total production capacity is 620,000 tons every year, and the demand is about 800,000 tons, there is gap between demand and supply.

预计2010年我国醋酸的需求量将达144～162万吨，按甲醇羰基法占60%计，将需求甲醇达52万吨；③多种农药的生产直接以甲醇为原料，如杀螟松、乐果、敌百虫等，预计到2010年甲醇用于生产农药约为34万吨；④多种医药药品以甲醇为原料，如长效磺胺、维生素B6等，预计到2010年甲醇用于医药约为18万吨；⑤染料生产过程中用甲醇作原料或溶剂，如红色基RC、分散红GLZ、阴率子GRL、酞菁素等等，预计2010年甲醇用量约为10万吨；⑥有机玻璃等合成树脂也需用甲醇为原料，预计到2010年甲醇用于生产合成树脂与塑料用量约为7万吨；⑦合成化纤与合成橡胶工业，2010年甲醇用量约为13万吨；⑧我国MTBE生产正处于快速增长期，现有MTBE装置27套，总生产能力62万吨/年，而年需求量约80万吨，有一定缺口。

In fight bilateral altogether casualties approximately 51000 people, north federal 23000 people, south confederation approximately 28000 people.

战斗中双方共伤亡约51000人，其中北方联邦23000人，南方邦联约28000人。

The crater is approximately 60 meters in diameter and its depth is approximately 20 meters.

火山口约60米的直径和深度约20米。

A can bottom (16) having an approximately frustoconical portion (8) extending downardly and inwardly from the can side wall (4), an annular nose portion (16) extending downwardly from the approximately frustoconical portion, and a central portion (24) extending upwardly and inwardly from the nose.

一种罐头(16)，它具有一个从罐头侧壁(4)向下向内延伸的大致截顶圆锥部分(8)，一个从大致截顶圆锥部分向下延伸的环形凸出部分(16)，以及一个从凸起向上向内延伸的中心部分(24)。

This paper discusses a method, which can be used to approximately calculate the equivalent resistance and to approximately calculate the efficiency of different topologies. It could benefit a lot in designing DC-DC converters.

本文提出了一种近似计算等效电阻的方法，其原理是将变换器中各元件的损耗之和等效为输出电阻的损耗，可以简便计算变换器的效率，有助于选择合适的电路。

Original height 146.5 meters, because the year long time makes decent, the peak flakes 10 meters, present height 136.5 meters; Foundation each length of side more than 230 rice, triangle surface ascent 52 degrees, tower floor space 52,900 square meters; The tower body builds by 2,300,000 stones, each stone average weight 2.5 tons, some amount to several dozens tons again; Some scholars estimated, if ships pyramid's stone material with the train, must use 600,000 freight cars approximately; If chisels garrulously these stones, the shop becomes a foot wide path, may circle an Earth week approximately.

原高146.5米，因年久风化，顶端剥落10米，现高136.5米；底座每边长230多米，三角面斜度52度，塔底面积5.29万平方米；塔身由230万块石头砌成，每块石头平均重2.5吨，有的重达几十吨；有学者估计，如果用火车装运金字塔的石料，大约要用60万节车皮；如果把这些石头凿碎，铺成一条一尺宽的道路，大约可以绕地球一周。

Indicated according to the near two year gauge block anti-curved experiment, when the design intensity takes 435 N/mm2, under the normal running condition the reinforcement stress probably is 343 N/mm2, the corresponding average crack opening approximately in the 0.14~0.15mm scope, if takes 1.66 to multiply the big coefficient, the short-term maximum crack opening reaches 0.24mm, considered the long-term function rides 1.5 to multiply the big coefficient again, final crack opening approximately in 0.36mm.

根据近两年对板的抗弯试验表明，当设计强度取 435 N / mm2，正常使用状态下钢筋应力大约为 343 N / mm2，对应的平均裂缝宽度大约在0.14～0.15mm 范围，如取1.66倍增大系数，短期最大裂缝宽度达 0.24mm ，考虑长期作用再乘1.5倍增大系数，最终裂缝宽度大约在0.36mm 。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。