Listing 5. What has tr done?

清单5 . tr进行了哪些工作？

youdao

Two more examples: //@*, which examines all attributes of all tags; and //tr/td|th, which retrieves all td or th elements within a tr.

另外两个例子：//@*，它检查所有标记的所有属性；//tr/td|th 检索 tr 里面的所有 td 或 th 元素。

youdao

Just a handful are currently slower, such as tr, gsub, and unpack.

仅仅是一部分性能较慢，例如tr、gsub和unpack。

youdao

Tiny, tinny TR-55s, TR-63s, and the 1962 TR-620 (pictured top left) were suddenly ubiquitous, and the shirt-pocket radio became a cultural icon.

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Right now, the only sugar ETP available is iPath DJ-UBS Sugar TR Sub-Index ETN ( SGG).

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The UBS E-TRACS CMCI Food TR exchange-traded note ( FUD) was a close second in with gains of 48.85% in the last year.

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