什么时候需要对类似元素的序列使用包装元素？

When do I use wrapper elements around sequences of similar elements?

youdao

使用 元素包装 元素的最终序列（step4）。

Wrap up (step4) the final sequence of elements with a element.

youdao

产品序列化：典型的序列化方法是使用药品包装内部或外面的RFID标签。

Product serialization: a typical serialization approach is to use RFID tags included within or attached to a package of manufactured drugs.

youdao

Some of them are changes in the - not the sequence of DNA, not the sequence of nucleotides in the DNA but the chemistry of DNA around that the way that it's packed into a nucleus.

某些改变不是发生在DNA序列上,不是在DNA的核苷酸序列上,而是发生在DNA包装进细胞核的,一系列化学变化中

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