双孔的

Experiments show that at uniaxial tension hollow hole growth rate than in biaxial tensile Medium to small.

实验表明在单轴拉伸中空孔的增长速率比在双轴拉伸中要小。

In early stage Ⅱ,9/10 was found the traction of biconvex posterior vitreous detachment at fovea. In late stage Ⅱ, 10/14 was found the operculum, and among the opercula, 8/10 was found some evulsed retinal tissue.

期裂孔的早期中有9/10可观察到黄斑前双凸型玻璃体后脱离对中心凹的牵拉；Ⅱ期的晚期中有10/14可观察到裂孔盖膜，这些盖膜中有8/10可观察到含有部分撕脱下来的视网膜神经组织。

The research results of the intrinsic birefringence of the circular-core side hole fiber are reported.

对圆芯型边孔光纤固有双折射的研究结果进行了报道。

Thomas Young s career is recounted, Young s experimental research on the interference of light(especially which related except for the double\|hole or double\|slit experiment)and his principle of interference of light are reviewed.

介绍了托马斯·杨的生平，回顾了杨在光的干涉方面所做的有关实验研究，特别是双孔双缝之外的其它干涉实验，讨论了杨对干涉原理的论述和解释，以及对我们的有益启

Base on the fact that a hard-edge aperture function can be expanded into a finite sum of complex Gaussian functions, the approximate analytical expressions for the propagation characters of Hermite-Guassian beams passing through double rectangular apertured are derived. The approximate analysis uses Collins formula. At last, Matlab illustrates some numerical examples.

基于硬边孔函数能拓展成一组有限复高斯函数的和，研究厄米－高斯光束通过双矩孔的传输特性，用Collins公式分析，用Matlab进行一些数值模拟。

These models include logarithmic function, exponential function, hyperbolic function and system scientific models such as grey model, BP neural network, time series, kalman filter and so on. And ground settlement due to two box culvert pushing is simulated by Peck experiential formula.

3介绍了地下工程中常用的数据分析建模方法并给出应用实例，包括概率统计模型中的对数函数、指数函数、双曲函数，系统科学中的灰色系统、BP神经网络、时间序列、Kalman滤波等，利用Peck公式对双孔箱涵错距顶进引起的地表沉降进行了模拟。

According to the working procedure chart of theZH1105W diesel engine's gear cap analysis workpiece's precision, the surface roughness, thespecification, the processing spot size, the shape structure,material degree of hardness, the work piece rigidity and thedifferent of the components batch size to definite technique andtechnological process, determine aggregatemachine-tool's overall plan. Consider to theirregularity components but have high accuracy holes to beprocessing. So,"two holes at aface" is the best localization plan.

根据ZH1105W柴油机齿轮室盖的工序图分析其精度、表面粗糙度、技术要求、加工部位尺寸、形状结构、材料硬度、工件刚性及零件的批量的大小不同，确定被加工零件工艺方法和工艺过程，确定该组合机床的总体设计方案；考虑该零件表面结构的不规则性但有较高精度的孔需要加工，定位基准选择&一面双孔&是最佳的方法。

Double Circle Fence, also known as double-lap Fence, which uses 2.5mm cold-welded together, after drawing, each horizontal wire mesh has a curved arc to increase the strength.

双圈护栏网又称为双圈隔离栅，它采用2.5mm 冷拉丝后焊接而成，每个网孔的横丝有一个弯弧，以增加强度。

Double Circle Fence, also known as double-lap Fence, which uses 2.5mm cold-welded together, after drawing, each hizontal wire mesh has a curved arc to increase the strength.

双圈护栏网又称为双圈隔离栅，它采用2.5mm 冷拉丝后焊接而成，每个网孔的横丝有一个弯弧，以增加强度。

The F-P structure, especially the thermal-strain mechanism of thermal bimetal sheets were investigated deeply in the paper, the Finite Element Analysis results for both the "four nodes" and the "ring" confinements were given; the size of the ring hole can be simply changed to agilely meet the requirement of the different measurement range; the materials match and the parameters selection of the thermal bimetal sheets were analyzed and discussed, and some available suggestions were given; the F-P temperature sensors with the two developed bimetal sheets confinement mechanism were designed and fabricated, the practical measurements were carried out, and the experiment results were analyzed and discussed.

文中对所提出的F-P腔结构，特别是热双金属片的应变机制进行了较系统深入的研究，给出四点约束和环状约束具体有限元分析结果；提出的环状约束可以简单改变环孔大小灵活适应不同量程的需要；对热双金属片材料配对和参数选择进行了分析讨论，并给出有益的建议；实际制作了两种约束机制的光纤热双金属片F-P腔温度传感器，进行了相关实际测试，并对实验结果进行了讨论。

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。