可持续利用，是指对可再生资源的利用速率应保持在其再生速率的限度之内。
In protected areas, nonconsumptive uses of the resources present are increasingly being emphasized. Fish watching is one of the prime attractions in the Florida Keys, now rivaling fish catching in terms of economic importance. Whale watching is the basis of a booming business worldwide. Within the recently designated Stellwagen Bank Sanctuary off the coast of Massachusetts, revenues exceeding $100 million a year are attributed to whale watching enterprises; and even greater income is generated in the Hawaiian Islands Humpback Whale Sanctuary. Whale-watching is an economically attractive “sustained use” alternative to the one-time sale of these large mammals as bacon, steak, or sushi----even in Japan, Norway, and Iceland, countries that are actively engaged in killing and selling dolphins and whales for meat.
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【Key words】 Tangshan; mineral resources; sustainable exploitation
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国际药品采购机制将利用从航空公司和其它税收可预知的新来源的资金提供持续资助。
The IDPF will use predictable and innovative funds from airline and other taxes to provide sustainable funding.
但只要个人信息泄漏的源头持续存在，个人信息交易有利可图，那么QQ群等网络平台就会被不法分子利用。
But as long as the source of personal information leakage persists, personal information trading profitable, then QQ group and other network platform will be used by criminals.
在土地资源稀缺的约束条件下，实现经济的可持续增长，关键在于对土地资源的有效利用。
For the economical sustainable growth, the key lies with the effective use of land resources with the absence of land resources.
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