不确定性；合作机制；合作演化机制；企业理论；交往。
Uncertainty; cooperation mechanism; co-evolution mechanism; theory of the firm; contacts.
温泉作为地下热水的天然出露，有其特殊的形成演化机制。
Hot springs, as the emergence of the thermal groundwater, have special evolution mechanism.
岩相学及岩石化学研究表明，岩浆演化机制是矿物分离结晶作用。
The petrologic and petrochemical study has shown that the main mechanism controlling the magmatic evolution is fractional crystallization of minerals.
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