對于從事平面廣告設計的職場人員來說，有必要在設計制作環節，了解印前技術在宣傳單印刷設計中的地位與作用，了解印前技術工藝特征和相關知識。基于此，本文介紹宣傳單印刷設計中應注意的幾點知識。
For professionals engaged in print advertising design, it is necessary to understand the position and role of prepress technology in leaflet printing design, as well as the process characteristics and related knowledge of prepress technology in the design and production process. Based on this, this paper introduces some knowledge that should be paid attention to in leaflet printing design.
一、顏色模式
1、 Color mode
顏色模式，是將某種顏色表現為數字形式的模型，或者說是一種記錄圖像顏色的方式。分為:RGB模式、CMYK模式、HSB模式、Lab顏色模式、位圖模式、灰度模式、索引顏色模式、雙色調模式和多通道模式
Color mode is a model that represents a color as a digital form, or a way to record the color of an image. It is divided into RGB mode, CMYK mode, HSB mode, lab color mode, bitmap mode, gray mode, index color mode, two tone mode and multi-channel mode
設計者要注意顏色模式的設置和轉換。一般來說，設計者在RGB顏色空間中進行設計創作，輸出時根據輸出目的進行輸出設置或轉換。
Designers should pay attention to the setting and conversion of color mode. Generally speaking, designers design and create in RGB color space, and set or convert the output according to the output purpose.
(1)針對顏色一致性要求較高的包裝設計，設計者在RGB顏色空間中進行設計創作，可嵌人RGB特性文件輸出，由印刷企業進行CMYK模式轉換。
(1) For packaging design with high requirements for color consistency, designers can design and create in RGB color space, which can be embedded into RGB characteristic file output, and the printing enterprise can convert CMYK mode.
(2)針對顏色一致性要求不太高的商業設計，如海報、雜志等，可直接轉換成CMYK進行輸出，轉換時注意CMYK顏色空間的設置。
(2) Commercial designs that do not require high color consistency, such as posters and magazines, can be directly converted to CMYK for output. Pay attention to the setting of CMYK color space during conversion.
(3)針對網絡或屏幕出版的設計，如宣傳單設計、電子雜志印刷設計，可直接輸出為RGB模式的文件，注意RGB顏色空間的設置。
(3) For the design of network or screen publishing, such as leaflet design and e-magazine printing design, you can directly output files in RGB mode. Pay attention to the setting of RGB color space.
二、圖像分辨率
2、 Image resolution
數碼圖像有兩大類，一類是矢量圖，也叫向量圖;另一類是點陣圖，也叫位圖。宣傳單印刷業務的流程設計和業務管理
There are two categories of digital images. One is vector graph, also known as vector graph; The other is dot matrix, also known as bitmap. Process design and business management of leaflet printing business
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