It is caused by recursively descending a composite data structure in such a way that, sometimes, more than one step in the descent is taken in a single recursive call.

它是由递归下行复合数据结构引起的，这种下行方式有时在一次递归调用中要下行多级。

youdao

NIS+ also extended the naming system so that databases were placed into a tree structure rather than a single domain, allowing for much more complicated and wider-ranging distribution.

NIS+ 还对命名系统进行了扩展，因此数据库将放入树形结构中（而不是单个域中），以便允许更为复杂、范围更广的分布。

youdao

Figure 3 shows the first example of this type, with the same XML document structure bound to a single class rather than the pair of classes used previously.

图3显示了该类型的第一个示例，它将相同的XML文档结构绑定到单个类，而不是以前使用的两个类。

youdao

Biological drugs, which have a complex structure, are far more complicated to produce than regular chemical drugs, which have a single molecular structure.

FORBES: Genentech's Generic Battle

Hovering close to the ground, each of these thin-shell dwellings is made entirely out of a single concrete slab stretched out to create an energy efficient structure that is environmentally greener than traditional construction methods and cheaper and faster to produce.

FORBES: Binishells: Home Of The Future

And marriage penalties live on in the basic tax structure because the higher brackets for joint filers are less than twice as wide as for single filers.

FORBES: How Marriage Can Boost Or Cut Your Income Tax Bill