The rarely used element creates a table footer.

很少用到元素，它可以创建表页脚。

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You handle the rarely used element just like the element. Here's the simple XSLT template

处理极少使用的 元素和处理 元素相似。

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Many channel sub-elements are optional. The commonly-used element contains three required sub-elements.

许多频道子元素都是可选的。

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Samsung claims to have used a 64 element antenna.

FORBES: Ten Reasons Why Samsung's 5G Is Mostly Hype

One critically important element used today is hydro storage capacity in neighboring Norway (which is supplied by 99% hydro) and Sweden (over 50% hydro), supported by robust interconnection transmission lines.

FORBES: Denmark: 1,000 Megawatts Of Offshore Wind, And No Signs of Slowing Down

Alex Richardson from Gladiator Programme said community sports groups were not getting money and there was no Olympic legacy or new facilities for Easterhouse despite it being used as a key element of the Commonwealth games bid.

BBC: Scottish Parliament