他去就结束
发表于 2025-3-25 04:51:48
Economics of Outdoor Recreation,e of most approaches to the economics of recreation is the distance travelled concept, as the cost of travel to a non-priced facility must give some indication of the value of the use of the resource to the visitor. There is, however, an evident need to refine present techniques.
instructive
发表于 2025-3-25 09:07:25
Review of Research Methods in Outdoor Recreation,activities, and the important influence of population, income, education, leisure time and mobility factors on demand have been generally accepted as valid for Britain.. Indeed these findings were largely confirmed in the Pilot National Recreation Survey undertaken in the United Kingdom in 1965.
travail
发表于 2025-3-25 14:43:05
Outdoor Recreation Activities and Needs,able people to extend their free time activities. An increasing population which is better educated, more prosperous and more mobile will in the next few years place a very heavy demand on many outdoor recreational facilities.
现实
发表于 2025-3-25 18:14:18
Outdoor Recreation Activities and Needs,often in short supply. Furthermore, leisure is becoming an increasingly important part of people’s lives, and more free time and greater prosperity enable people to extend their free time activities. An increasing population which is better educated, more prosperous and more mobile will in the next
多余
发表于 2025-3-25 22:35:09
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canvass
发表于 2025-3-26 03:50:10
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tangle
发表于 2025-3-26 07:51:04
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Indicative
发表于 2025-3-26 11:33:10
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Tartar
发表于 2025-3-26 15:41:58
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我们的面粉
发表于 2025-3-26 18:45:00
Ivor H. Seeley B.Sc., M.A., Ph.D., F.R.I.C.S., C.Eng., F.I.Mun.E.and readily available.Includes a chapter on pediatric urolog.Urological Emergencies in Clinical Practice, Second Edition., is a well-researched pocket book that provides a comprehensive summary of urological emergencies and their management, in a form that is concise, relevant to the target audience