included in a list of holy books that are accepted as what they are claimed to be 被收入真经篇目的；经典的 the canonical Gospels of the New Testament 《新约全书》的真《福音书》。
according to the law of the Christian Church 按照基督教教会法规的 canonical rules 规范规则
accepted as belonging to the group of writers or works of literature that must be highly respected 被收入真经篇目的；经典的 canonical writers like Jane Austen 诸如简·奥斯丁这样的经典作家们。
accepted as being true, correct and established 按照基督教教会法规的 the canonical methods of science as taught in the classroom 课堂上教授的科学规范方法
- (specialist)
in the simplest accepted form in mathematics （数学表达式）最简洁的 the standard canonical form for a matrix 矩阵的标准标准型
Word Originlate Middle English: from medieval Latin canonicalis, from Latin canonicus ‘canonical’, from Greek kanonikos, from kanon ‘rule’.