与"hard science"相近的词条

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• hard roentgen ray、hard roentgen-ray
• hard rubber
• hard-rubber pessary
• hard rubber vaginal irrigating tube
• Hard rush
• hard science
• hard seed
• hard seed-coat
• hard sell、hard-sell
• hard-set
• hard shadow
• hard shell reserver
• hard-shell(ed)
• hard silk suture
• hard sludge
• hard soap

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