The basic prerequisite, the necessary condition, and mam ap proach of possible value perpetuity is the perpetuity of human being itself, the human being s perpetual pursuit of value, and the human being s perpetual memory of historical figures who created great values.

It comes to the conclusion that these three sinologists all oppose egoism,emphasize naturalness,and approve of the classic′ s permanent value.

Measuring recreational value and existence value of agricultural land in Shiliuhong leisure farm in Wuhan;

This research adopts the quantitative method to value direct extractive value,direct service value,indirect economy value, existence value of Chishui Alsophina spinulosa Nature Reserve.

The existence value of natural resources and environment is independent of the current utilization of resources.

The framework of the definition for water resource existing value and economic value is designed also.

The existing value of human affect the result of teaching necessarily.

By specific examples and from real need of archival work, the article explains the importance and necessity of archival appraisal work for preservation value and in deciding the retention period, and deeply studies their principles and methods.

Starting from the argument on the value of "movement archives"in university, this paper probes into the formation features and preservation value of such kind of archives, and points out that the "movement archives", which possess special historical significance and actual value, should be taken seriously.