Using the theory of gray system, the authors analysed the data of oil and gas geochemical exploration, which reflect to some extent the oil and gas distribution regularity of the working district.
应用灰色系统理论，对油气地球化学勘探资料进行分析，在一定程度上反映出工作区油气分布规律。
A number of factors affecting the utilizing results of Agricultural Machinery Unit can be divided in six aspects: human factors, machine, operation targets, organization, method and working district.
可以将影响农业机组运用效果的众多因素分为人、机器、对象、组织、方法和场所等六个方面。
A number of factors affecting the utilizing results of Agricultural Machinery Unit can be divided in six aspects: human factors, machine, operation targets, organization, method and working district.
可以将影响农业机组运用效果的众多因素分为人、机器、对象、组织、方法和场所等六个方面。
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