画面结构松散, 杂乱无疏密之分, 则会令人感到索然无味.Frame structure, loose, messy no density of points, will be very uninteresting.网不面摆列的疏密开常用增网线数表现.Mesh point of order and loose usually represented of screening line.温度不变,空气的疏密程度和压力成正比.The dens...
For the sake of simplicity only a material with isotropic properties will be considered.为了简单起见,仅讨论各向同性材料.Isotropic bi - materials with high comprehensive properties are widely used in engineering fields.各向同性双材料以其优越的综合性能在...