The wonderment with which such phenomena are welcomed is a most abstract frame of mind, from which one should advance to a closer insight into the inner harmony and uniformity of nature.
对变幻无常之现象的赞美，乃是出于一种抽象的心理态度，这种态度必须为我们所超越，并进一步认识自然的内在和谐性和规律性。
Its main features include category based news story browsing, key frame based video abstract and keyword based news story querying.
它的主要特征包括：基于类别的新闻故事浏览，基于关键帧的视频摘要和基于关键词的新闻故事查询。
Since the MAC Service is provided at an abstract interface within an end station, it is not possible to specify the total frame transit delay precisely.
由于MAC服务在一台终端工作站内以抽象接口的方式提供，因此它不可能指定合适的总数据包传输延时。
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