The debt ratio level of enterprise has noting to do with the total economic benefit.
企业的负债率高低，与企业的总体经济效益无关。
Customer value is the difference or ratio of customer perceived benefit and customer perceived cost.
顾客价值是顾客感知收益与顾客感知成本之差（或之比）。
Feed conversion ratio and economical benefit were the best in 10% group.
添加10%脱毒蓖麻粕组饲料转化率最好，饲料成本最低。
Feed conversion ratio and economical benefit were the best in 10% group.
添加10%脱毒蓖麻粕组饲料转化率最好，饲料成本最低。
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