类似整理扑克牌：每次拿一张新牌，插入到已排好序的牌堆中合适位置
Keyword research is closely related to rank tracking,，详情可参考WPS官方版本下载
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**MUST** avoid including redundant comments which are tautological or self-demonstating (e.g. cases where it is easily parsable what the code does at a glance or its function name giving sufficient information as to what the code does, so the comment does nothing other than waste user time)
Hand-coded weights (constructive proofs are valid — they show the architecture can represent addition)，推荐阅读旺商聊官方下载获取更多信息