Such cost comparisons are seldom made in practice.
但在实践中，这样的成本比较却是甚少为之。
Did the shortage and high cost of labour change farming practice and push technology?
是劳动力的缺乏及其高成本改变了农业耕作方式并推动了技术革新吗？
Understanding of the coverage of public education cost varies in theory and practice.
当前，理论上特别是实践中对公共教育支出的范围认识不一。
In the fact that practice tests knowledge there exists the cost, i.
实践检验认识，有一个成本问题，就是人类用实践检验认识时所付出的代价。
Practice has proved that the technology is reasonable and the cost of construction is reduced.
实践证明，方案技术上合理，降低了施工成本。
However, the cost effectiveness problem was often ignored in previous researches and practice.
在已有的研究和实践中，其成本有效性问题往往被忽视。
Owing to transaction cost, cost approach is an effective method in practice.
并论述了存在正交易费用的情况下应用成本法的合理性。
Combined with work practice in rural highway design phase, some cost control methods are discussed.
并结合工作实践，就农村公路设计阶段的造价控制进行了一些探讨。
To practice strategic cost management is to increase the core competitive power of enterprises.
实施战略成本管理主要是在于提高企业核心竞争力。
To practice strategic cost management is to increase the core competitive power of enterprises.
实施战略成本管理主要是在于提高企业核心竞争力。
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