比如稀土提純,日本是小數點後麵多少個9,從中國進口稀土,提純後天價再賣回給中國。
中國工業實驗設計(正交實驗設計)不行,做不出那麽多個9.
比如稀土提純,日本是小數點後麵多少個9,從中國進口稀土,提純後天價再賣回給中國。
中國工業實驗設計(正交實驗設計)不行,做不出那麽多個9.
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