section line

Two dimensional flow fields in different nozzles, with equal section throat area and different section length have been simulated. The change of sonic line with the section length, and optimum length of the section have been given.

模拟得到了喉部具有不同等截面段长度的二维喷管流场，指出了音速线随该长度的变化规律和等截面段最佳长度。

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The maturity and temperature section of line 450& 612.5 at 27 Ma reveales that the depth of oil generative threshold was about 2000 meters deep, with its temperature of about 93 ° C, higher than the present day ′ s.

在距今27Ma时，二维测线L450&612.5的成熟度和温度模拟剖面显示，油气开始生成时的门限深度为2000m，门限温度为93°C，大于现今的门限深度和门限温度。

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Parameters setting principle of mechanical properties is analyzed for each section of tension levelling line. The importance of setting and control of elongation for the actual levelling effect on strip is illuminated.

分析了铝带材拉弯矫直机列各段力能参数的设定原则，阐明了带材伸长率的设定和控制对实际带材矫直效果的重要性。

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He reported to a section chief, who reported to a division chief, and so on up the line.

他由组长领导，组长由部门主管领导，如此逐级向上。

《柯林斯高阶英汉双解学习词典》

Programming of Section Line s Plotting in Assembly Drawing

绘制装配图剖面线的程序设计

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Railway bridge girders on curve would suffer restrained torsion due to the fact that the line of action of live laod and its reaction do not pass through the flexural center of the cross-section of the girder.

曲线上的铁路桥梁，由于活载及其引起的反力不通过梁体横截面的弯曲中心而产生约束扭转。

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A method and programme of drawing section line of plane figure with microprocessor

在微机上绘制任意平面图形剖面线的一种方法与程序

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Secondly, in the FEA simulation, matching section line of before and after springback will be gained by 2D section method and then compensation surface will be gained by SGD algorithm.

其次，研究了在有限元分析中，先利用二维截面法得到回弹前后匹配线，再通过SGD算法得到回弹补偿型面。

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The Temporary Support Set in Fully-mechanized Excavation Draft Allocation of Mechanized Operation Line for Rapid Heading in Deep Mine Large Cross Section Rock Roadway

综掘巷道机械化临时护顶装置的研究与应用深井大断面岩巷快速掘进机械化作业线配置

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The projection curve analysis when a plane cuts off a circular cone with an ellipse section line at an oblique angle

平面斜截正圆锥截交线为椭圆时投影曲线分析

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It's one of the main machines in the modern pipe mill line and formed section line.

它是现代高频直缝焊管生产线和冷弯型钢生产线的主要设备之一.

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FITC-ZZ-8 was indicated that strongly boud to cancer cell line and lung cancer tissue section while relatively weaker to normal cell line and tumor-adjacent tissue section.

荧光成像检测表明FITC标记的多肽选择性地结合于肺癌细胞和肺癌组织切片上，而基本不与正常细胞和癌旁组织切片结合。

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The existing algorithms include equivalent left and right curve angle by definition, normal section line method and tangent projection etc. But all their precisions are limit to one-order truncation error, and make severe accumulate error on discrete models.

有关的算法有根据定义的左右曲面角相等，法截面法和切向投影等。这些方法的精度都局限在一阶截断误差，在离散的网格上有严重的累积误差。

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This paper gives the new technique of tooth profile on the normal section of nobbing-shaving cutter involute worm which is imitated by hyperbola and suggests that axial section of grinding wheel can be obtained in hyperbolic form by dressing conical surface of grinding wheel along the inclined straight line.

给出了用双曲线拟合滚剃刀渐开线蜗杆法剖面齿形新技术，提出了锥面砂轮按斜直线进行修整，能够获得砂轮轴截面为双曲线形状。

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Adaptive slicing is realized by the calculation of the position of tangent plane of modeling surface, the angle of between the normal section line and the slicing plane, the curvature of normal section line in z-axis direction and radius of curvature.

计算出造型曲面的切平面位置、法线与分层平面的夹角、Z向法截线的曲率和曲率半径，实现优化分层。

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