sum of weights += candidate.weight
Reporting from, 紐約
，更多细节参见51吃瓜
于是我决定做一个更完整的横向测评，核心目的只有一个：帮打工人找到一款真正「能用」的日常 PPT 神器。
"We monitor the size, shape and growth of the [fire]," he adds, explaining that this helps to avoid false alarms triggered by pictures of fires, or fires on a TV screen, that happen to be in shot.
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