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上海九段沙湿地国家级自然保护区
释义
上海九段沙湿地国家级自然保护区
Encyclopedia
理学
海洋自然保护区
释
National Nature Reserve for Wetland in Jiuduansha,Shanghai
上海九段沙湿地国家级自然保护区
以河口型新生湿地生态系统、发育早期的河口沙洲地貌及其发育过程、重要经济水产动物种质资源、珍稀濒危的水生动物和鸟类种群、水生动物产卵和育肥生境等为主要保护对象的中国国家级自然保护区。
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line noise
linen towel
Lin Enxian
line of affine curvature
line of application
line of apsides
line of a vector
line of balance
line of centers
line of closed area for bottom trawl fishery by motor vessels
line of collimation
line of constant slope
line of constant temperature
line of contact
line of convergence
line of current
line of curvature
line of cusps
line of declination
line of degeneration of type
line of discontinuity
line of electric force
line of flow
line of force
line of horizon
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