Change the number of lines per page from 66 to 50.

将每个页面的行数从66修改为50。

youdao

If you know what field you want to view, you can append the -a switch with the attribute name. This example looks at lines per page or _l (lower case l).

如果知道要查看哪个字段，可以将属性名附加到- a switch中。

youdao

As in the fixed-lines-per-page case, write output only if the page is within the specified range.

与每页行数固定的情况一样，仅当页在指定范围之内才写输出。

youdao