三分的

China's sichuan basin by acid rain forest area of the harm of forestland one-third of the total.

中国的四川盆地受酸雨危害的森林面积达占林地总面积的三分之一。

Methods:The mathematical model created by Kipper,and the regression coefficients of age,period and cohort were calculated by using triangle matrix.

采用Kupper数学模型，用矩阵的三角分解法求解，对三因素的各个亚层成分效应大小的定量参数估计。结果：1970～1994年栖霞市胃癌死亡率前10年上升后15年呈平稳下降趋势。

It will come as little solace to the ageing Lothario that the discount looked about right: house prices have fallen by one-third from their peak nationwide, and by much more than that in the worst-hit states, such as California, Florida and Nevada.

对这位年老的登徒子来说，值得少许宽慰的是折价看起来还算合理：房价在全国范围内已从最高点下滑了三分之一，而在一些重灾区如加利福尼亚州，佛罗里达州和内华达州，下滑的比例要大得多。

Anti-B220/anti-IgM antibodies were used to analyze number and maturation of central and peripheral B cells in transgenic mice. It is found that number of mature B cells decreased in bone marrow, spleen, peritoneal cavity. B cells in bone marrow of Tg mice were just one half of that of control, and in spleen, this number was even one third of that of the control.

以anti-B220/anti-IgM抗体分析了转基因小鼠中枢和外周B细胞数的变化及成熟情况，发现骨髓、脾和腹腔的成熟B细胞数都明显下降，其中骨髓和腹腔约为对照野生鼠的一半，而脾更低至三分之一。

In such cases, the modulus of elasticity, not the tensile properties, will govern the design.

强度大或小的铝合金模量是大约相同的（其数值大约为钢弹性模量的三分之一）。

Traditional law-thinking involves the Chinese dichotomy of moralism and implementationism as well as the Western trichotomy of value, normality and facts.

传统的法思维包括：中国的道德主义和工具主义二分范式与西方的价值、规范、事实三分范式。

Chapter 3 Enjoyment of Pu'er Tea 第三章普洱茶的品鉴 The varieties of Pu'er Tea are divided into bulk tea and pressed tea. Bulk tea is divided into top grade, the 1st -10th grade and off-grade. The pressed tea is usually in the form of cake, brick, prism, pillar, melon, human head, etc. No matter what kind of tea, as long as it is up to the four specifications above mentioned.

Generally there are following methods：普洱茶从品种上分为散茶和紧压茶，散茶分特级和一到十级及级外茶，紧压茶有饼、砖、砣、柱、金瓜、人头等形状，不管是什么类型的茶，只要它符合上文所述四条标准，它就是真正的普洱茶。

The distance between Bombay and Calcutta, as the bird flies, is only from one thousand to eleven hundred miles; but the deflections of the road increase this distance by more than a third.

但是，全线实际的长度却至少增加了三分之一，这是由于铁路路线向北延伸要经过半岛北部的阿拉哈巴德的缘故。

When I graduated from university, I knew only the first seven letters of the English alphabet—A to G—which I used as ordinal numbers like 1st, 2nd, 3rd, 4th, or I, II, III, IV....

第一次发给我的手机好像只能打市内电话，沉甸甸、黑乎乎的，包里的空间被它占了三分之一。

At the end of chapter 3,a nonlinear oscillatory system with slowly-variantparametersis analyzed to study the period-doublingbifurcation and chaotic motions.

在第三章的最后，本文讨论了一类含慢变参数的振动系统的倍周期分岔及混沌运动。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。