The problem with calling the rss-summary function multiple times with two documents sequentially is that the information isn't merged.

连续对两个文档多次调用rss - summary函数时存在的问题是信息无法合并。

youdao

A report using the function nestedSet outside the within set clause of an analytic summary function (such as rank) produces the following error.

在一个分析摘要函数(比如rank)的within set子句外部使用nestedset函数的报告将生成以下错误。

youdao

To add sorting to the output, you just need to add a line to the for, let, where, order by, and return (FLOWR) expression within the rss-summary function to order the output, as in Listing 7.

要添加对输出的排序，只需将一个代码行添加到rss - summary函数中的for、let、where、order by和return (FLOWR)表达式中，对输出进行排序即可，如清单7中所示。

youdao

An almost five-decade record of his travels around the U.S., the 48 black-and-white photographs taken between 1963 and 2010 also function as a tight summary of Mr. Friedlander's career.

WSJ: rom Lee Friedlander at Janet Borden Gallery

The photos at the top of each summary add colour, but they suggest an obligation to aesthetics more than the fulfilment of any sort of function.

FORBES: Teenage Mogul Launches 'Summly' To Revolutionize Mobile Reading