Economy deepens the coact that wants economist and mathematician theoretically.
經濟理論的深化要經濟學家與數學家的共同合作.
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Coact company is a manufacturer specially produced precision stepping motor, brushiess DC motor and drives.
本公司是一家專業生產精密步進馬達,無刷直流馬達及驅動器的制造商.
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