areal density

• 面密度

areal density的用法和样例：

例句

1. The fluence of areal density and needle-punch density on insulating ability and peeling strength were investigated by experiments in this paper.
   通过实验研究了面密度和针刺密度对保温性能和剥离强力的影响。
2. Their antistatic performances were determined using methods of electrification voltage by friction and surface density of charge.
   采用摩擦起电电压法和电荷面密度法，对其进行了抗静电性能测试。