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

The previously declared rss-summary function uses a for loop to iterate over each item by using the XPath specification to select each item.

通过使用 XPath 规范，前面声明的 rss-summary 函数使用了一个 for 循环在每个项上进行迭代，以便选择每个项。

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