量度

Didot point system: A conventional system of type measurement used in continental Europe .

欧洲大陆惯用的字体量度制度。

Line gauge: Measuring ruler used for copyfitting and measuring type . Also called Type gauge.

量度字体大小和配稿用尺。亦称字尺。

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

量度纸张不透明度并百分的仪。

ROLL is the instantaneous value of the angle between the reference plane and the horizontal, measured in an athwartship vertical plane.

横摇到右通过舰身的垂直面，量度参考面与水平面之间所形成的即时角度。