这意味着在2005年，据美国自然资源保护委员会统计，有近2百万吨废水瓶躺在美国的垃圾场里。
In 2005, that meant approximately 2 million tons of water bottles ended up in U.S. landfills, according to the National Resources Defense Council (NRDC) (see References 3, Question 7).
根据国际自然与自然资源保护联合会统计，现存于野外的熊猫少于2500只，因此熊猫被列为濒临灭绝的物种。
There are less than 2,500 giant pandas left in the wild, according to the IUCN, which lists the species as endangered.
同时本文采用网上问卷调查的方式对喇叭沟门自然保护区自然资源旅游吸引力及游客支付意愿进行调查统计分析。
The paper using the online survey on natural resources, tourist attraction and willingness to pay of LaPaGouMen nature reserves to investigate and statistical analysis.
同时本文采用网上问卷调查的方式对喇叭沟门自然保护区自然资源旅游吸引力及游客支付意愿进行调查统计分析。
The paper using the online survey on natural resources, tourist attraction and willingness to pay of LaPaGouMen nature reserves to investigate and statistical analysis.
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