平衡方程和运动学关系式是与材料类无关的.The equations of equilibrium and kinematic relations are independent of the type of material.机械系统的运动学与动力学包括刚体的平面移动.Kinematics and dynamics of mechanical systems including rigid bodies in plane motion....
The forebody design a key issue for hypersonic airbreathing vehicle.前体设计是吸气式高超声速飞行器设计的关键之一.It would reach hypersonic speeds -- five times the speed of sound.也就是说,要使飞机达到特超音速—即音速的五倍.hypersonic aerodynamics高超音速空气动力学rarefied...
不久之后，她一天内就接到了5个电话。Not long afterward she received five calls in one day.星期六早上她在录音室接到他打来的电话。She had a call from him on Saturday morning at the studio.杂志接到投诉之后将杜绝使用此类语言。The magazine will desist from such language after rec...
The deep and dark tarn at my feet closed over the fragments of the House of Usher.我脚下深邃阴沉的小湖将厄谢尔古屋的断垣残墙吞没了.This pool or tarn was encircled by tree!这个池塘,或是说山潭吧,四周全被树木围了起来.The goods are to be tarn ( s ) shipped at Honk.该货将...