用于各种织物的圆形取样，供测定织物单位面积质量。
Used for sampling the roundness sample of all kinds of fabric to test whose weight of unit area.
ASTMD5848簇绒纱线地毯单位面积质量的试验方法。
ASTM D5848 Standard Test Method for Mass Per Unit Area of Pile Yarn Floor Coverings.
提出了用织物单位面积质量或经纬丝线密度之和进行织物厚度分类的方法。
Thereby proposes a method to classify fabric thickness by means of the mass unit fabric area or the linear density sum of warp and weft.
一个平面物体的密度是每单位面积元的质量。
The density for a flat object would be the mass per unit area.
所以我们的到的是单位面积上的质量。
这两个量，l乘以ρ,一起给出单位面积上的质量。
So these two together, l times rho, give us mass per unit area.
为进一步提高等离子体弧柔性成形的表面质量，利用磁场控制弧柱的摆动状态进而控制单位面积上等离子体弧的热流密度，使之达到预期目的。
To improve the surface quality of flexible formation using plasma arc, its heat-flow density on unit area is controlled by controlling the swinging of the plasma arc with the alternate magnetic field.
用于各种织物的圆形取样，以测定单位面积的质量。
Used for sampling the roundness sample of all kinds of fabric to test whose weight of unit area.
合理密植可提高单位面积的切花产量而不会影响质量。
Reasonably dense planting can increase the cut flower output without sacrificing the quality.
单位面积的墙所使用的质量轻，要比瓷砖轻，并且在粘贴后非常的紧，安全性能高。
The use of the 3 quality per unit area of the wall is light, lighter than tiles and the after paste is very tight with high safety performance.
提出了粉末分布密度这一新概念，即同步送粉激光熔覆时基体单位面积上分布的覆层粉末质量。
A new conception, average powder density defined as the powder quantity clad on unit area of substrate surface has been put for ward.
结果表明：该地区低湿地草甸草场单位面积产草量最高，牧草质量好，但仅占总土地面积的0 .5 %左右，只能作为辅助草场；
The results show that the average yield of bottom wetland grassland is the highest, with good quality but its area is about 0.5% of the total area, it can only be taken as accessorial grassland.
译文：水蒸气透过率(WVTR)：在一定的温度、湿度条件下，单位时间内透过单位面积的水蒸气的质量。
Water vapour transmission rate (WVTR) : Mass of water vapour transmitted through a unit area in a unit time under specified conditions of temperature and humidity.
译文：水蒸气透过率(WVTR)：在一定的温度、湿度条件下，单位时间内透过单位面积的水蒸气的质量。
Water vapour transmission rate (WVTR) : Mass of water vapour transmitted through a unit area in a unit time under specified conditions of temperature and humidity.
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