研究了具有弹性夹层的层板结构的振动特性.The vibration behaviour of sandwich structure with spring interlayer is studied.导出了双层板 ― 性夹层的综合单元刚度矩阵.The stiffness matrix of synthetic dual plate - spring interlayer element is deduced.型主动脉夹层的治疗——腔内修...
It was said that washing powders containing enzymes remove stains more efficiently.据说加酶洗衣粉除污更有效.Honey is basically a compound of water, two types of sugar, vitamins and enzymes.蜂蜜基本上是水、两种糖、几种维生素和酶的混合物。Lysosomal enzymes a...
Confetti showered down on the newly - weds.彩屑撒在一双新人身上.The newly - weds are head over heels in love.这对新婚夫正情溶意蜜.The newly - weds are in their best bib and tucker.新婚夫妇们穿着盛装....
He sat listening to the tick of the grandfather clock.他坐在那儿，听着落地式大摆钟嘀嗒作响。My great-grandfather was a person of some importance here.我曾祖父曾是这儿的头面人物。My great-grandfather made horseshoes and nails and what have you.我曾祖父打制马掌、铁...