Based on the comparison and the analysis of the norm method and the real object quantity method, they have the merit and defect in the work cost management of hydraulic and hydroelectric projects.
通过定额法与实物量法的比较分析，两者对水利水电工程造价管理具有一定的指导意义。
All these show that the quantity and quality of embedded real-time software are very important, and give birth to the distributed object middleware.
这些引发了对嵌入式实时软件的产量和质量的需求，也激发了对分布式对象中间件的应用。
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