四分的

Secondly, it described the three historic periods characterized by crowding in, price war and four dominators. In this way it surveys the process of the upgrading of Chinese SPC industrial innovation capability.

然后，抓住这三个阶段最大的特征——大量进入、价格战和四分天下——描绘出一幅中国程控交换机产业的演进全图，展现了中国程控交换机产业创新能力提升的过程。

As the molecular pump pumping speed for water vapor is only with the diameter cryopump pumping speed of the quarter, so molecular pump exhaust pump longer time than low temperature.

由于分子泵对水蒸气的抽速仅为同口径低温泵抽速的四分之一，所以分子泵的排气时间比低温泵长。

Ministry of acrylic fibbers career is company subordinate basically produces one of units, only then built 1972, develop ceaselessly through coming for years and progress, already had 3 acrylic fibbers to produce device and independent acrylic fibbers institute, become at present home produces the can biggest, variety the acrylic fibbers with most, the most advanced technology produces a business, producible silk of short staple of more than kinds of 300 acrylic fibbers, acrylic fibbers bundle with acrylic fibbers wool product, produce per year a quantity to amount to 160 thousand tons, 1/4 what hold total output of fiber of countrywide acrylic fibbers about.

梗概： 腈纶事业部是公司下属主要生产单位之一，始建于1972年，经过多年来不断地发展和进步，已拥有3套腈纶生产装置和独立的腈纶探究所，成为目前国内产能最大、品种最多、技术最先进的腈纶生产企业，可生产300余种腈纶短纤维、腈纶丝束和腈纶毛条产品，年产量达16万吨，约占全国腈纶纤维总产量的四分之一。

With nearly a quarter of the world's population, but just 8% of its freshwater, China is the thirstiest nation on earth.

中国是世界上最缺水的国家，人口占世界的四分之一，可淡水却只有世界的8%。

The night-shining jewel interred in the mouth of the late Empress Dowager Cixi weighing 4-tael 2-mace and 7-candareen was actually the Great Mogul, a legendary diamond originated from ancient India.

随葬于慈禧太后嘴中的一块称重为清代&四两二钱七分&的夜明珠，实际上是来自印度的莫卧儿大帝金刚石，已经被笔者定名为&国英金刚石&原石，其重量约当现在787.28克拉。

Baseline characteristics including age, education, physical activity, and BMI were similar among the four quartiles.

钙摄入量的4个四分位数区间的受试者的基线特征相似，包括年龄、教育、体力活动和 BMI 。

Odds ratios were calculated for the association between childhood adiposity, expressed as "overweight" or as BMI z-score quartiles at 7 yrs of age, and asthma development after that age.

计算以7岁时&超重&或BMI总得分的四分位数为表现的儿童期肥胖和之后出现哮喘间关系的优势比。

Of about 1, 000 different nuclides now known, only about one-quarter are stable

在目前已知的约1000种不同的核素中，大约只有四分一是稳定的。

Of a bout 1, 000 different nuclides now known, only a bout one- quarter a re stable.

在目前已知的约1000种不同的核素中，大约只有四分一是稳定的。

Animation is big business in Japan, commanding up to a quarter of the box office some years.

在日本，动漫是一个巨大的商业，在有些年份，它的总额占据了剧场收入的四分之一。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。