Neglect the axial deformations and consider only the lumped masses.略去轴向变形不计,仅考虑集中质量.These two questions should not be lumped together.这是两个问题,不能往一块儿扯.Because she was lumped together with alcoholics and hard-drug users, Cl...
Policemen, bankers and butchers are all lumped together in the service sector.警察、银行家和卖肉的全被一股脑儿地并在了服务行业里。These two questions should not be lumped together.这是两个问题,不能往一块儿扯.Because she was lumped together with alcoholics and...