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黑龙江凤凰山国家级自然保护区
释义
黑龙江凤凰山国家级自然保护区
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理学
〔自然保护区〕
释
Heilongjiang Fenghuang Shan National Nature Reserve
黑龙江凤凰山国家级自然保护区
中国黑龙江省以温带针阔混交林生态系统和珍稀动植物物种为主要保护对象的国家级自然保护区。
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safety production incentive mechanism
safety production index
safety production insurance
safety production liability insurance
safety production license system
safety production of hydropower station
safety production qualification certification training
safety production responsibility system
safety production rules and regulations
safety production strategy
safety product validation
safety profit
safety protection
safety protection and guarantee on navigable waters
safety protection device
safety protection for beryllium poisoning
safety protection measures
safety protection of drainage systems
safety protection of hydrogen sulfide in well pad
safety protection space
safety protection textile design
safety protective devices design
safety protective fibers
safety psychology
safety range
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