But this much effort should really not be necessary; indexing and slicing should "just work" whether a concrete sequence or a iterator is involved.
但是，费这么大力气实际上应该是不必要的；无论涉及的是序列还是迭代器，编制索引和切片都应该是“可行的”。
In fact, indexing into a sequence is probably the most common thing you ever do with a sequence — why on earth does it fall down so badly on iterators? For example.
实际上，为序列编制索引可能是最常用的序列操作——究竟为什么在迭代器上无法使用索引呢？
Partitioning a video sequence into shots or detecting shot change is one of key techniques in video indexing.
视频序列的镜头分割亦称镜头变化检测是视频检索中的关键技术之一。
Partitioning a video sequence into shots or detecting shot change is one of the key techniques in video indexing.
视频序列的镜头分割亦称镜头变化检测是视频检索中的关键技术之一。
Partitioning a video sequence into shots or detecting shot change is one of the key techniques in video indexing.
视频序列的镜头分割亦称镜头变化检测是视频检索中的关键技术之一。
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