Function and value analysis of water conservation, soil reinforcement and fertility maintenance of urban forest in Guangzhou.
广州城市森林涵养水源、固土保肥的功能及价值分析。
This paper has important reference value to analysis and appraisal of R&D activity function in economic growth of China.
本文结果对分析和评价我国R&D 活动对经济增长的作用具有重要的参考价值。
Illustrated with examples, it has reference value for the field life data analysis and reliability evaluation, illustrating several estimation methods concerning reliability function of deleted data.
结合实例说明了含有删失数据的可靠性函数估计的几种方法，对于现场寿命数据分析与可靠性评估具有参考价值。
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