本发明固定方便，固定后的稳固度高、舒适性好、伤口可直接观察、适合携带，所以十分适合在救治伤员中使用。
The present invention has convenient fixing, high stability, high comfortability, convenience for observing wound and easy carrying, and is especially suitable for use in curing the wounded.
它们提供一种方便的类似搜索的查询，其中在获得的结果中可能没有固定数量的条件。
They provide a convenient mechanism for search-like queries where there might not be a fixed number of conditions placed upon the results obtained.
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