用户可以在运行期于Designer中限制请求返回的记录数。

Users can limit the number of records returned from a request at run-time in Designer.

youdao

清单2中的示例对奇数进行合计，如果第二个数是奇数，会返回两个数的总和，否则只返回第一个数字。

The example in Listing 2 sums odd Numbers by returning the sum of both Numbers only if the second number is odd, otherwise returning only the first number.

youdao

返回给DB2的中间结果中包含着常用的计数器(DB 2 max函数需要)，以及当前分组到目前为止计算出来的实际加权平均数。

The intermediate result that is returned to DB2 contains the usual counter (needed for the DB2 MAX function) and the actual weighted average that we have so far for the current group.

youdao

And actually, if I don't want to clobber, as we say, overwrite the value of my variable, ; I could declare another one and store the return value in Y; Y so now I have two ints in memory; X and Y, 3 one with two, one with three.

实际上，如果你不想彻底清除，像我们说的，覆盖那个变量的值，我可以申明另一个变量Y，并在Y中保存那个返回值;,现在内存中有两个int数，X和，一个的值为2，一个为。

哈佛公开课 - 计算机科学课程节选