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- The absorptivity of flat metal plate is determined by coat absorptivity and that of the surface porous metal plate is by not only the coat absorptivity but also the porous ratio and the dimension of the hole. 摘要光滑金属板的作为吸热板芯时，其吸收率取决于涂层的吸收率，而用表面多孔板作为吸热板芯时，其吸收率则取决于板孔隙率和孔尺寸与涂层的吸收率。
- Any of several tough, porous leather substitutes. 通气性强的塑料几种粗糙的多孔的皮革代用品
- He added sand to the soil to make it more porous. 他往土里掺了些沙子以提高渗水性能。
- Keywords film optics;nanophase material;equivalent refractive index;FDTD method;porous ratio; 薄膜光学;纳米材料;等效折射率;时域有限差分算法;孔隙率;
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- In hot weather clothes made of a porous material like cotton are best. 热天穿棉布之类有渗透性的材料做的衣服最为适宜。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- In hot weather cloths made of a porous material like cotton are best. 热天穿棉布之类有渗透性的材料制成的衣服最为适宜。
- To lap better, all porous holes. 上面净是气孔，便于舔食。
- He add sand to the soil to make it more porous. 他往土里搀沙子以提高渗水性能。
- The randomness is attributed to the porous medium. 随机性起因于多孔介质。
- Human memory is permeable and porous. 人类的记忆具有渗透性。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- Most soils and rocks are porous. 大部分土壤和岩石都是多孔的。
- The ratio of men to women was two to one. 男女的比例是二比一。
- The state or property of being porous. 有孔性，多孔性有孔或多孔的状态或特性
- A structure or part that is porous. 多孔部分或多孔结构
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
