Experiements show that the method has some value in theory and practical applications and improves the economic and military benefit in purchasing of military articles.
试验表明，该算法具有一定的理论价值和实际应用价值，进一步提高了军品采购的经济效益和军事效益。
The direct marketing value method and the indirect evaluating method should be adopted in the evaluation of the benefit.
可采用直接市场价值法和间接评估法对效益进行估算。
As a case, the environmental value of Baota district in Yanan city is evaluated by three sorts of method, benefit, cost and market investigation.
利用收益途径、成本途径和市场调查途径三类方法，以延安市宝塔区为例进行了环境价值的评估。
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