Teletypewriter exchange service telex twx 电传打字机交换服务
2.
The sentence " the quick brown fox jumps over the lazy dog . " uses every letter in the alphabet and was developed by western union to test telex / twx communications 迅速的褐狐跳过了懒狗)这句话使用了所有的英文字母,是由西联公司发展出来测试电报传输用的
