第二次面试 second interview
二次锥面 [数] quadric cone
绝对二次曲面 the absolute quadrie
奇异二次曲面 [数] singular quadric
应力二次曲面 surface of tension ; quadric of stress ; stress quadric
回转二次曲面 quafric of revolution ; [数] quadric of revolution
密切二次曲面 [数] osculating quadric
拉伸二次曲面 quadric of stretching ; stretching quadric
真二次曲面 [数] proper quadric ; [数] proper quadric surface
有心二次曲面 [数] central quadric ; [数] central quadric surface
布什于12：36分在一个无窗的会议室，在空军士兵们展开的两面美国国旗前发表了第二次讲话。
Bush made his second remarks at 12:36 from a windowless conference room, in front of two American flags dragged together by Air Force privates.
非线性回归和二次响应面模型。
分析了各种流动参数和几何参数对轴向速度、二次流动、壁面摩擦力、摩擦系数比的影响。
We analyze the effects of the flow parameters and the geometrical parameters on the axial flow, the secondary flow and the friction.
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