Click on “Filter,” “Add Noise” and set noise to 1%, “Gaussian” and “Monochromatic.”

在“滤镜”“增加噪点”上点击，把噪点设置成1%，设置“高斯”和“单色”。

youdao

Traditional noise control mainly focus on reducing the damage to human ear by decrease noise.

传统的噪声控制主要是从减低人耳听力损伤方面考虑来进行噪声控制的——降低噪声声级。

youdao

Traditional noise control mainly focus on reducing the damage to human ear by decrease noise.

传统的噪声控制主要是从减低人耳听力损伤方面考虑来进行噪声控制的——降低噪声声级。

youdao