input variable短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 输入变数 In each column, there is an input variable to be tested, and each row is one option: R is regular, E is empty, and then one character,50 characters,51, and so forth. 每一个纵队都有一个需要测试的变量，每一行是一个选项： R是正常， E是空,然后是一个字符，50个字符，51个字符，等等。 ibm