Farmers are no less motivated by the desire to mazimize profits than are other occupational groups.
First, the material—rocks, lakes, vegetation, etc.—on which the method relies must be widespread enough to provide plenty of information, since analysis of material that is rarely encountered will not permit correlation with other regions or with other periods of geological history.
Farmers are no less motivated by the desire to mazimize profits than are other occupational groups.
农民和其它职业组织一样，都受到了最大化利润的motivation
First, the material—rocks, lakes, vegetation, etc.—on which the method relies must be widespread enough to provide plenty of information, since analysis of material that is rarely encountered will not permit correlation with other regions or with other periods of geological history.
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发表于 2004-5-13 01:14:00
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