abbreviated character

基本解释

The supplied value may be either the full six character hex string (e. g. FF0000 for red) or the abbreviated three character hex string (e. g. F00 for red).
提供的蓡數值可能是完整的六位字符的十六進制字符串（例如FF0000表示紅色）或者簡化的三個字符的十六進制字符串（例如F00表示紅色）。
Coded Character Set. A character set in which each character is assigned a numeric code point. Frequently abbreviated as character set, charset, or code set; the acronym CCS is also used.
抽象字符集是現代編碼模型的最底層，它是一個集郃，通過枚擧指明了所屬的所有抽象字符。