areal density的用法和样例：
例句
- 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。 - 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。
