以下为句子列表：
英文: A quadrilateral shape (gradually increasing in size as it goes away from the motor) provides the best circulation of air.
中文: 这引擎座为四边形形状(从引擎逐渐加大)提供空气的最佳的循环。
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英文: Rannacher, R. Turek, S., Simple nonconforming quadrilateral stokes element, Numer. Methods for Partical Differential Equations, 8(1992) 97-111.
中文: 胡健伟,汤怀民,微分方程数值方法,科学出版社,北京,1999.
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英文: The shape of cross section of gravity dams under basic loads was optimized from an initial quadrilateral region with the stability of dam bodies against sliding and the tensile stress in dam heels taken as restraints.
中文: 以四边形为初始域，以重力坝的稳定和坝踵拉应力为约束条件，对基本荷载作用下的重力坝基本断面形状进行优化。
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英文: The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller.The surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and do
中文: 采用面元法预报大侧斜螺旋桨水动力性能，螺旋桨表面及尾涡面离散为四边形双曲面元，每个面元上布置等强度源汇和偶极子分布.对于大侧斜螺旋桨而言，桨叶表面采用常规的等半径网格划分方法在近叶梢处将导致大展弦比、大侧斜和扭曲面元，这容易使桨叶表面速度的计算结果不正确，甚至会导致迭代过程发散及计算失败.文中建立了一种“非常规网格”划分方法，能有效地解决大侧斜螺旋桨的计算和收敛问题.桨叶随边处通过迭代实现非线性等压库塔条件.
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英文: Microanatomy and histological study of the fascicular group to deltoid muscle in axillary nerve at the level of quadrilateral zone
中文: 腋神经中三角肌功能束组在四边孔平面分布的显微解剖及组织学研究
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