Opacimeter: Instrument for measuring the opacity of paper and expressed it as a percentage.

不透明度测试仪：量度纸张不透明度并以百分率表示的仪器。

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The water resistance, smoothness, Gurley air permeance, brightness and opacity of paper being treated gets further increased.

施胶后纸张的抗水性，平滑度、透气度、白度和不透明度进一步提高。

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Add the following layer styles to the Paper. Lower the opacity of the layer to around 90-95%.

为纸片添加如下的图层样式。不透明度降至90 - 95%左右。

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