ZC神最擅长逻辑推理，一日，他给大家讲述起自己儿时的数字玩具。 该玩具酷似魔方，又不是魔方。具体来说，它不是一个3 * 3 * 3的结构，而是4 * 2的结构。 A． 交换上下两行。比如，图(a)经此变换后结果如图(b)所示。 B． 循环右移（ZC神从小就懂得这是什么意思 ...

Abstract: We propose a parameter optimization method for achieving static equilibrium of discrete elastic rods. Our method simultaneously optimizes material stiffness and rest shape parameters under ...

This course presents the fundamental principles of structural analysis, determination of reactions, internal forces and deflections under the static load conditions. The course is mainly focused to ...

Abstract: As it is based on the solution of an ill-posed and nonlinear inverse scattering problem, in microwave tomography the reconstruction performances may be impaired from the complexity of the ...

At this year’s climate summit, the United States is out and Europe is struggling. But emerging countries are embracing renewable energy thanks to a glut of cheap equipment. By Somini Sengupta and Brad ...

Stanford Medicine researchers invent an electromagnetic device that can gently sort different types of cells by levitating ...

Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, equities, fixed income, project management, and analytics. David is ...

Discover more about the many different types of birds found around the world with Cam and Sophie the barn owl from One Zoo Three. What are reptiles? Discover the cold-blooded world of reptiles with ...