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一、选择题(共30分) 1.(本题3分) 三条无限长直导线等距地并排安放,导线、Ⅱ 、分别载有1A,2A,3A同方向的电流,由于磁相 互作用的结果,导线、Ⅱ、Ⅲ单位长度上分别受 力F1、F2、F3,如图所示,则F1与F2的比值是
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Write a compact sentence that describes the molecular origin of gas pressure, including its temperature and mass dependence. [51 A: P is due to change in momentum Ap = m Av of molecules striking a surface velocity Increases as VTm
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Evaporation and sputter deposition [15] 1. a)In the plasma of a sputter deposition system, consider an argon atom that is ionized during a collision in the plasma. i) Express the ratio of the acceleration of the liberated electron to that of the argon ion in terms of M and m, the mass of the ion and electron; give the numerical value of this ratio, and say in which
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This lab session will utilize photolithography and dry etching to transfer a pattern from a mask to a substrate. In Step 1. 1, the thickness and the refractive index of the silicon nitride film are measured. In Step
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AARON COHEN Professor Emeritus of Mechanical Engineering Texas A&M University Professor Aaron Cohen received a B.S. degree in Mechanical Engineering from Texas A&M University in 1952 and an M.S. degree in Applied Mathematics from Stevens
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Commander Paul A. Sohl, USN CDR Sohl was born in Waterloo, Iowa and graduated from Rock Island High School, Rock Island, Illinois in May 1981. After graduating from the Massachusetts Institute of Technology in June 1985 with a Bachelor of Science degree in Aeronautical
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准对角矩阵称为 Jordan形矩阵,而主对角线上的小块方阵J称为 Jordan块 定理设A是数域K上的n维线性空间V上的线性变换.如果A的特征值全属于K, 则A在V的某组基下的矩阵为 Jordan形,并且在不计 Jordan块的意义下 Jordan形是唯 一的. 证明:对n作数学归纳法
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高等数学第六章习题 1.设曲线y=a(4-x2)(a>0)过此曲线和x轴交点(-2,0)及(2,0)作曲线的两条法线,求曲线与这两条法线所围成的平面图形的面积最小时a的值 2.算曲线4y2=x与直线y+x=所围成图形的面积 3.算曲线y2=2px及其在点(,p)处的法线所围成的图形的面积 4.计算抛物线y=-x2+4x-3及其在点(0-3)和(3,0)处的切线所围成图形的面积
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阶段测试题(一)参考答案 一单项选择题:(每题1分,共10分) 1.d;2.a3.d:4.a5.b6.b7.a8.d9.b:10.b
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The theory of extensive games is built upon a key notion, that of sequential rationality, and a key insight, the centrality of off-equilibrium beliefs. The definition of sequential equilibrium brings both to the fore in a straightforward manner, and emphasizes their interrelation. From subgame perfection to sequential rationality
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