你能改变它们的宽度、速度和长度。

You can vary their width, speed, and length.

youdao

现在它们可能没有占去整个宽度。

Now they may not take up the whole width.

youdao

例如，一位客户在数据失败时将一个任务路由到管理员，请求管理员检查固定宽度的数据提要，以便找到错误的字符，修复或删除它们。

For example, one customer routes a task to an administrator to look at fixed-width data feeds when the data fails so that they can find the errant characters and fix or delete them.

youdao

Now they may not take up the whole width.

现在它们可能没有占去整个宽度。

哈佛公开课 - 计算机科学课程节选