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For a long time,there have existed in China a flexibility in the town planning,a tendency toward decentralization,urban expansion by the aggregation of fixed units,the mobility and prefabrication of buildings,and the use of a precise standard-the 'chien',the basic unit of construction derived from the width of the central beam.

长久以来，在中国存在着一个非常具有弹性的城规，一个分散性地发展趋势，一种由硬件叠加驱使的城市膨胀。由于是大量采用木头的建筑，通过规范的"进"和"间"的基本空间单位，以及精确长度的梁柱等基本结构单位，中国传统建筑有着很大的活动性以及类似于现代建筑的"预制"方法。

I can not determine the length of life,but I can control its width.

我不能决定生命的长度，但我可以控制它的宽度。

Firstly, based on the wave equation, determining reasonably its initial boundary condition, the paper establishes a computer diagnostic model of oil pumping mechanical well, the damping factor in the model has been reasonably determined, the implicit difference solutionis conducted to the model by changing of step width expression difference solves, and the half analytical solution is explored to the model - fine integral method; and realizes the transformation from dot indicator diagram to indicator diagram of any section.

首先从抽油机井计算机诊断技术的理论基础入手，考虑多级抽油杆连续性，建立了粘滞阻尼波动方程，合理确定模型中的阻尼系数，采用无条件稳定的隐式差分法及半解析方法求解方程，获得抽油杆柱任意断面和抽油泵处的示功图。

As the first part of a research program to obtain a quantitative design method for overcoming diagonal cracks in cast-in-site concrete floor due to shrinkage and temperature differences, 12 RC concrete slabs strengthened by WMM were tested. The influence of layer number and volume fraction of wire mesh on crack space and width were discussed.

作为定量解决房屋现浇楼板收缩温差斜角裂缝问题研究的开端，用钢丝网砂浆对12块板现浇钢筋混凝土板进行加固和对比试验研究，探讨了钢丝网层数和配筋率对裂缝间距和宽度的影响。

They are diagonally placed almost spanning the width of the large, comfortable double bed.

他们几乎遍及角宽度的大型，舒适的大床。

The results showed:（1）Accompanied with decreasing of light intensity, leaf length, width and leaf thickness of Dichondra repens increased initially and then decreased. They were up to the peak under 76.19 % transparency. The length of petiol extended with the decreasing of light intensity, but the leaf morphology of Dichondra repens was no significant effect.

结果表明：（1）随着光照强度的降低，马蹄金叶片的长度、宽度及厚度均表现出先增大后减小的趋势，在76.19％光照强度下达到最大值；叶柄长度随着光强的减弱而增长，叶片的形态并未发生显著变化。

This strong increase in through-put, together with street width reduction ,no dicing field loss and high up time(97%),allows a return of investment usually within 3 to 6 months.

产量的提高，同时隔离区的减小，没有刻画区域的损失，高的节拍，使的投资的回报时间通常在3-6个月。

The X-ray double-crystal diffraction rocking curve measurements show the full-width half maximum of 180" and 185" for (0002) symmetric reflection and (10 12) skew reflection,respectively.A room temperature mobility of 850cm2/ is obtained for a 3μm thick GaN film.

GaN材料的X射线双晶衍射摇摆曲线(0 0 0 2 )对称衍射和(10 12 )斜对称衍射半宽分别为 180"和 185"；3μm厚GaN薄膜室温电子迁移率达到85 0cm2 /。

Beijing Institute of Technology, Beijing 100081,ChinaIn order to get the high output power, a RF excited diffusively cooled all-metal slab waveguide CO2 laser was reported, in which gas discharge region was constructed by two aluminum side walls and aluminum electrodes. The region dimension was 2 mm height×20 mm width×386 mm length, and the gas composition was CO2:N2:He:Xe=1:1:3:0.26. This technique replaced the old ceramic and metal sandwich waveguide technique.The optimum out power 127 W was achieved from the RF excited diffusively cooled all-metal slab waveguide CO2 laser with the longitudinal voltage uniformity distribution technique and scaling area technique. The electro-optic conversion efficiency was about 14%.

为了获得较高的激光输出功率，介绍了射频激励扩散冷却全金属板条波导CO2激光器，放电区域由左右两个铝合金壁和上下两个铝合金电极构成，放电区域高2 mm，宽20 mm，长386 mm，工作气体混合比CO2：N2：He：Xe=1：1：3：0.26，该技术代替了过去的金属陶瓷结构，结合纵向电压均匀分布技术和面增比技术，获得了127 W的激光输出功率，光电转换效率高达14%。

Considering that the temperature gradient through thickness is much higher than that through width and length of plate, in this model, the governing equation of heat transfer was simplified as a one dimensional differential equation, and the series function solution for temperature is established in Lagrangian coordinate setting.

在该模型中，考虑到轧件厚度方向的温度梯度远大于沿宽度和长度方向的温度梯度，因而将热传导方程简化为一维微分方程，基于拉格朗日坐标建立了温度场的级数解法。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。