We always reject zero as an eigenfunction on the ground of physics.根据物理上的理由,我们总是剔除把零作为本征函数.The stable field problem is discussed in rectangle area with method , which are eigenfunction and superpositionle.文章结合叠加原理,应用本征函数...
她穿着一件有花边的白色上衣和一条蓝色天鹅绒裙子。She was wearing a white ruffled blouse and a blue velvet skirt.镶有花边的桌布a tablecloth edged with lace她的裙子饰有花边.Her skirt was trimmed with lace....
This volume of essays was designed to accompany an exhibition in Cologne.这本文集是为配合在科隆举办的一场展览而出的。Cologne is not so very far down-river from Mainz.科隆在离美因茨并不遥远的下游方向。She perfumed herself with Eau de Cologne.她身上洒着古龙水....
这种能成玻璃的材料被广为使用.This is a widely used vitrescent material.样品熔融成玻璃片,采用卢卡斯-图思及派恩数学校正模式, 由计算机回归拟合曲线.Using Lucas - Tooth and Pyne mathematical model of correction, the calibration curves are regressed by computer.通过对平板玻璃的烘弯、退...
过分谨慎,非真谨慎.The greatest caution is not to be over cautioned.不知进退非真勇(不必作无谓的冒险).There is no point in taking unnecessary risks.因此一样体积的普通雪糕,因加入大量空气,其重量比优质的雪糕必定轻得多,即是[非真材实料].This is because we do not whip an excess amount of a...