Clarke doesn't believe this report will drastically alter the strategy in the search for extraterrestrial life, but agrees that understanding Earth first Narrows the target.
克拉克并不认为研究人员会一直选这个方法在外太空搜寻生命，但他同意先了解地球的情况缩小了搜寻范围。
The first is the User-agent tag that you can use to target a specific search engine.
第一个是 User-agent 标记，您可以使用该标记瞄准一个具体的搜速引擎。
When a regex is put to use, the first step is to determine the position within the target string where the search should start.
当一个正则表达式投入使用时，首先要确定目标字符串中开始搜索的位置。
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