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- Comparing and research of airiness pipes cross section model 通风管道横截面形状对比和研究
- A pillar, rectangular in cross section, supporting an arch or roof. 支柱交叉处的长方形柱子,支撑一个拱顶或屋顶
- A concave molding with a cross section that approximates a quarter circle. 飞檐的凹圆线脚截面近于九十度弧的凹线脚
- A specific layer of soil or subsoil in a vertical cross section of land. 地层,岩层处于土地的垂直横截面中的某一具体土层或次土层
- The Mett cross section applies to a point scatterer. 莫脱截面适用于点散射体。
- If we look at a cross section of a water wave, we may see that the wave form repeats itself at regular intervals. 如果我们观察水波的横截面,我们会看到波形是按一定的间隔重复的。
- This old man is a cross section of modern artists in Britain. 这位老者是英国现代艺术家的典范。
- Model XDC explosion-proof instrument for measurement of roadways' cross section developed by using laser technology is dealt with in the paper. 介绍了采用激光技术研制的XDC防爆型巷道断面测量仪的原理技术特性及软硬件设计。
- The identification of flutter derivatives for bridge sectional model has long been a key issue in long-span bridge flutter and buffeting analysis. 桥梁断面颤振导数识别问题可转化为最小二乘优化问题,提出了梯度下降算法求解该优化问题,提取桥梁主梁断面18个颤振导数。
- Runners cross section type and size as per standard. 流道切面形状和尺寸符合标准。
- They do not represent a complete cross section of his works. 这当然并非包括了他的全部著作。
- The stability and wave overtopping rate of 3 kinds of revetments (sloping, big step and cylindrical structure types) are studied by using sectional model test. 利用断面物理模型试验,对3种结构形式(斜坡段、大台阶段、圆筒段)的护岸的稳定性和越浪量进行了研究。
- A thrombosis of a coronary artery is shown here in cross section. 此横截面显示冠状动脉血栓形成。
- After incision, on the cross section also can have redfiliform. 切开之后,断面上还会有红色的丝状物。
- It is suitable for conductor cross section is 35-120 mm2. 它是合适的导线截面35-120平方毫米。
- Seed flattened dorsally in cross section, face concave. 种子背面扁平在横断面上,表面凹。
- Seed subterete in cross section, face deeply sulcate. 种子在横断面近圆柱状,表面具深槽。
- By test-loading of model of the tower-top hollow section model for Lan-cang River long-span bridge in Jing-hong, adequacy of prestressed loop stirrup design is testified. 通过对景洪澜沧江大桥索塔顶端模型的加载测试;验证了箱壁中预应力环箍设计的可靠性.
- The recovery rate by WAG injection in stratified condensate gas reservoirs is higher than that by cyclic gas injection according to the simulation study by use of stratified 2-D sectional model. 通过层状二维剖面模型的模拟研究 ,证明了在层状凝析气藏中水气交替注入的采收率比循环注气的采收率高。
- The round, often darker cross section of such a lump as it appears on a piece of cut lumber. 节疤这种突出物的横截面,呈圆形,比周围的地方要黑,常常出现在切割好的木材上