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| |||
| initial stock; source | |||
| parent material; mother material | |||
| basic material | |||
| virgin material | |||
| raw material | |||
| raw data | |||
| original accession | |||
| original material; starting material | |||
| virgin material (烧蚀材料在烧蚀过程中未发生热解反应的材料) | |||
| raw file | |||
|
原 始材料 : 3 phrases in 2 subjects |
| Agriculture | 1 |
| Technology | 2 |
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