early 15c., "according to ecclesiastical law," from Medieval Latin canonicalis, from Late Latin canonicus "according to rule," in Church Latin, "pertaining to the canon" (see canon (n.1)). Earlier was canonial (early 13c.).
权威例句
1. The quantal features can be obtained by the canonical procedure of quantization.
量子特征可用正则量子化方式得到.
2. In particular he sought the canonical form of any pencil.
他特别地找寻任何束的标准型.
3. These canonical forms have to existence except in our imagination.
这些正规式并不存在,只是我们的想象.
4. This is a combinatorial problem in canonical form.
这是组合论中的典型问题.
5. There are various so - called " canonical isomorphisms ".