The course of tourism resource investigation and evaluation is much more trouble for Tangjiahe Nature Reserve with higher vegetation overcast and up-and-down landform.
这对于唐家河这种植被覆盖率高，地形复杂的自然保护区，旅游资源的调查评价尤为困难。
2
Being one kind of important and effective management tool, the economic evaluation method contributes greatly in examining the effectiveness of running of land reserve system.
经济评价作为一种重要而有效的检验手段，对考察土地储备制度运行的实效具有十分重要的作用。
3
To review the literatures about quantitative evaluation of liver functional reserve by imaging technology.