探讨一种喷气织机四连杆打纬机构的动平衡方法.The dynamical balancing of beating up mechanism of air - jet loom is discussed.喷气织机打纬机构广泛采用瓦特型六 连杆机构.The Watt six - bar mechanism has been widely adopted as the beating up mechanism of air - jet loo...
这里你应该用复数代词.Here you should use plural pronoun.这里有关于用复数来讲二维力学的简短讨论.There is a brief discussion of two dimensional mechanics in terms of complex numbers.用复数算术推导了正弦,余弦的加法公式.We derive the addition formulas for sine and cosin...