- hubble's classification of galaxies
- 哈: blow one's breath; breathe o ...
- 勃: vigorous; exuberant
- 哈勃分類: hubble classification
- 分類法: abc cla ification; abc cla ificiation; abc classification; abc classificiation; activity based cla ificatio abc; activity based classification abc; classification method; classification schema; grade-description system; group costing; group method; methodology; partition method; sorting technique; system of classification; taxonomy
- abc分類法: abc classification(activity based classification); abc system
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