TIDAL PERTURBATION OF GEOPOTENTIAL COEFFICIENTS OF SECOND ORDER BASED ON THE PREM RHEOLOGICAL PARAMETERS.基于PREM的地球引力势二阶系数的潮汐摄动.Unwillingly she met his eyes, defiance and perturbation on her face.她极不情愿地看着他的眼睛, 满脸反抗和烦乱的神色....
制造商之间的恶性价格战已将利润削减到了最低。A vicious price war between manufacturers has cut margins to the bone.几家制造商也在蚕食福特公司的传统客户群。Several manufacturers are also nibbling away at Ford's traditional customer base.玩具制造商开始在电视上推销他们的一些产品。T...