That is, the token is to be replaced with a value associated with the name of the variable; or, if no value as been defined, with either the default value or an empty string.
也就是说,该标记将会被与变量名关联的值替换;如果没有定义关联值,那么就会替换为默认值或空字符串。
An application can compare the current row change token value of a row with the row change token value that was stored when the row was last fetched to determine whether the row has changed.
应用程序可以将某行的当前行修改标记值与上次取回行时保存的行修改标记值进行比较,以判断行是否发生修改。
Each token (word) is then emitted to stdout with an associated value of 1 (separated by a TAB).
使用为1的相关值(通过选项卡分隔)将每一个标记(单词)发送到stdout。
应用推荐