量度

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

欧洲大陆惯用字体量制。

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

量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.

量纸张不并以百分率表示仪。

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

横摇以从左到右通过垂直面，量参考面与水平面之间所形成即时角。