A

A sizes

Series of finished trimmed sizes in ISO(International Standardisation Organisation)ranges.See Paper size.

A度

已裁切的ISO(国际标准组织)纸张系列。参见纸度。

AA

An abbreviation for author's alteration.It is commonly used in America to identify any alteration in text or illustrative matter which is not a printer's error as author's alteration usually charged as extra.Similar English term is Author's correction.

著者修改

AA是美国印刷业常用的缩写,表示著作者对内文及插图的修改,以别于承印商的错误。因著者修改需另付费用。

Aberration

General term for various optical errors in photographic lenses which prevent the lens from giving good definition.See Astigmatism , Chromatic aberration ,Curvature   of field , Distortion ,Spherical aberration ,Coma.

像差

是照相用镜头各种光学缺点的通称,这些缺点使影像失实。参阅纵横像差色差像面弯曲畸变球面像差彗星差

Abrasion resistance

Ability of a surface,such as a printed surface,or a coated surface to withstand rubbing and scuffing. Also called Abrasive resistance, Scuff resistance,Rub resistance, Abrasiveness.

耐摩擦度

物质表面,如印刷面、涂膜面所能够抵受摩擦及轻刮的性能。

Abrasion test

Test designed to determine the ability to withstand the effects of rubbing and scuffing of printing ink.

耐摩擦试验

鉴别油墨对摩擦及轻刮的持久性的试验方法。

Abrasion paper

Good grade of manila or other strong paper,coated with glue and an abrasive material,such as sand,emery or carborundum.Also called Emery paper,Sand paper.

砂纸

在结实的纸张或优质马尼拉纸上涂上胶及一些磨料如砂、刚砂或金刚砂而成。

Abrasive resistance

See Abrasion resistance.

耐摩擦性

参阅上文。

Abrasiveness

See Abrasion resistance.

耐摩擦度

参阅上文。

Absolute address

Pattern of charaters that identifies a unique store location in a computer.Also called Machine address, Specific address.

绝对地址

字母数字的模式。用以辨认电脑内某一特别储记部的位置。亦称机器地址具体地址

Absorbency

That property of a material,such as paper and board, which causes it to take up liquids or vapours (e.g.moisture) with which it is in contact.

吸收性

某类物料所具的性质。例如纸张和板纸,它们在接触液体或蒸气(例如湿气)时,就会把它吸收。

Absorbent paper

General term representing a class of bulky papers,spongy and bibulous in character,such as blotting,filter and towelling paper.

吸水纸

一般厚身、海绵状和具吸收性的纸张的通称。例如吸墨纸,滤纸和毛巾纸。

Absorption

(1) Optical term for the partial suppression of light in passage through a transparent or translucent medium or material.(2) Capillarity action of porous materials such as paper and board to to liquids.

吸收

(1)光学名词。表示光线穿过一透明或半透明体或物料时所受的局部抑制。(2)具有微细孔的物料,如纸张或纸板等对液体所引起的毛细管现象。

Absorption tester

Instrument for determining the mean pore radius of a paper.When a strip of paper is hanged in a liquid,the level of the absorbed liquid,the level of the absorbed can be seen.The rate of absorption can be timed.In this way an average pore radius can be calculated.

吸收试验器

是测定纸张细孔的半径平均值的仪器。当一纸条悬垂于一液体上,纸张即吸收液体。观察及记录液体吸收至某一水平所需的时间。这样,细孔的半径平均值便可计算出来。

Accents

Marks which are placed above or below English characters to indicate their pronunciation,especially in many non-English languages.Accent may be incorporated in the alphabet to form accented letters and included in a fount as pi characters.Other method uses floating accent which are individual mark added to a character previously setted.

音标

在很多非英语文字中,字母上边或下边注有符号,表示其读音,这些表音符号就是音标。音标可以连同字母一起铸成,成为音标字母,并可附加入一套铅字内为特别字符。另一个方法是用单独的表音符号即浮动音标,个别加上在已影排的字母上。

Access

This refers to the obtaining of data from a peripheral unit or retrieving it from a storage device.See Sequential access,Random access.

存取

指从外围贮存器或贮记部存取资料。参阅顺序存取,即时存取

Accordion fold

Series of parallel folds in paper in which each fold turns to the opposite direction from the previous fold,like an accordion.Also called Concertina fold,Fan fold,over and back fold,Zigzag fold.

风琴摺

纸作连续的平行摺,但每次摺向相反,像风琴一样。亦称扇形摺、之字摺

Acetate

(1) Transparent plastic sheet placed over a mechanical for overlays.(2) A cheap base materials for flats where humidity variations are not a problem.

醋酸胶片

(1)透明胶片,作复制用正稿的盖面。(2)不须考虑湿度变化时,作拼帖大版用的基片。

Acetate foil

Transparent sheet made from cellulose acetate by spreading esterified cellulose onto a highly polished cylinder,so forming a thin film which can be stripped off.It is water proof,  and does not burn but melts.Increasingly used for packing purposes.

醋酸箔

用醋酸纤维素造成的透明薄胶片。在一个极平滑的圆筒上把酯化的纤维素分成薄膜,揭起而得。它防水、不易燃烧但却能熔解。是包装材料,用途逐渐增加。

Acetate proof

An inked reproduction proof pulled from type on thin acetate sheeting.Can be use as a positive for making contact negatives,or directly for stripping up a positive flat,and also for checking register or making a transfer of an etched engraving to another sheet of metal.

胶片稿样

用薄醋酸胶片在上墨的铅字版上压印而成的复制用稿样。可以当正片而作接触负片,或直接用以拼阳图片大版,亦可作套印的对正及金属片的触刻纹的移印。

Acetone

Volatile,fast-drying solvent used mainly in gravure inks.It is a colourless,flammable liquid with a characteristic smell,miscible with water,alcohol,ether,chloroform and most oils.Also called Dimethyl ketone,Methylacetyl,Propanone,Pyroacetic ether.

丙酮

挥发及快干溶剂,主要用于照相凹版油墨。它是无色、可燃烧液体,有特别气味,能混和水、酒精、醚、哥罗仿和一般油类。

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