Once you have found the node that needs to be removed, a single command removes it from the structure, but not the document.

在找到需要删除的节点之后，通过一行命令即可将其从结构中删除，但并没有从文档中删除。

youdao

A healthy egg carries 46 chromosomes - 23 pairs - but before it can be fertilised it needs to ditch 23 of these, which it packages into a structure called a polar body.

一个健康的受精卵有46个染色体(23对)，但在它能分化之前，它必须先分为23个一组，形成极体。

youdao

But it needs a talent troops with excellent quality, appropriate scales and reasonable knowledge and ability structure in the process of mineral resource prospecting, exploitation and use.

而矿产资源的勘查、开发、利用，离不开一支素质精良、规模适度、知识技能结构合理的专业人才队伍。

youdao

Mr Davies, now a Plaid Cymru councillor, said Wales will need to make its voice heard at a UK level and the Wales Office has a role in that but "whether it needs to continue in its existing structure is up for grabs".

BBC: Lord Elis-Thomas: 'Wind up Wales Office'