CWPLAYER是一个CW练习软件，绿色软件，下载解压后可以直接运行，软件界面显示了所有英文字母和数字及常用标点符号，鼠标点击任何字符，都可以听到该字符的morse码，速度由左边的 Speed wpm 控制。wpm 的英文全称是 WORD PER MINUTE，即单词/分钟，也就是通常说的paris，几个paris就是几个 wpm，一个paris=5个字母，所以，5个wpm(5个paris)=25个字母/分钟，30个wpm(30个paris)=150个字母/分钟。(CWPLAYER is a CW practice software, green software, download can be run directly after decompression, the software interface shows all the English letters and numbers and punctuation, click any characters, can be heard all the characters in the Morse code, the speed is controlled by the left Speed wpm. The full name of WPM is WORD PER MINUTE, namely word / minute, which is usually Paris. Several Paris are several WPM, one paris=5 letter, so 5 WPM (5 Paris), =25 letter / minute, 30 WPM (30), Alphabet / minute.)