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The signaling hypothesis does not stand in the Chinese market during the sample period.
信号假说模型在样本期间内的中国证券市场中并不成立。
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Perform test stand calibration according to Error Proof Sample .
实施生产线标定样件的验证及维护工作。
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Perform test stand calibration according to Error Proof Sample .
实施生产线标定样件的验证及维护工作。
youdao