受现货市场的制约，小麦期货市场价格发现功能有效性与无偏性存在矛盾。
Restricted by cash market, the conflict exists between the efficiency and the unbiasbility of the wheat futures market price discovery function.
刑罚轻缓化的必要性表现在它是刑法谦抑性、刑法人道性、刑罚功能有效性和有限性、刑罚效益性以及刑法国际化的需要。
The necessity of mitigation of punishment exists in meeting the need of modesty, humanity, effectiveness and efficiency of penalty, and internationalization of criminal law.
从长期来看，其信息传递功能和价格发现功能有助于提高现货市场的有效性。
In the long run, the information transmission function and the price discovery function will improve the effectiveness of the spot market.
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