packing density 堆积密度 ; [电子] 组装密度
file packing density [计] 文件装填密度
lateral packing density 横向填密密度
areal packing density 面存储密度 ; 面缩紧密度
bit packing density [计] 位存储密度 ; 位缩紧密度
area packing density 区域缩紧密度 ; 区域存储密度
particle packing density 颗粒聚集密度
character packing density [计] 字符存储密度 ; [计] 字符记录密度
fibre packing density 纤维填充密度
The 2007 versions of these products were slightly longer (apparently mostly attributed to longer tobacco rods), and had slightly higher packing density, but slightly lower moisture content.
2007年版的产品略长(显然主要因为烟杆较长)填充密度较高，不过，水分含量略低。
This high packing density accounts for the strength and stability of cement, which makes it useful for structures like tunnels and Bridges.
这种高堆积密度说明了水泥的高强度和稳定特性，使其成为隧道和桥梁等建筑物的理想材料。
High packing density greatly impedes the cooling of the array.
高存贮密度很不利于阵列的散热。
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