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shallow-sea fishery environment
释义
shallow-sea fishery environment
Encyclopedia
农学
浅海渔业环境
释
shallow-sea fishery environment
浅海渔业环境
水深200米以内的天然渔业生物和人工养殖的渔业生物栖息繁衍的水域环境。水深一般不超过200米,主要包括滩涂、海湾、河口、陆架海域等4种不同类型。
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user survey method
uses and gratifications approach
U set
U-set
Use the Language of the Motherland Correctly, Fight for the Purity and Health of the Language!(Editorial)
use value
use value of forest resource
use value of resources
U.S.FDA
USFDA
U.S. Federal Aviation Administration
U.S. Food and Drug Administration
U.S. Government Publishing Office
U.S.Government Publishing Office
U-shaped
U-shaped cells
U-shaped curve
U-shaped distribution
U-shaped valley
Ushihara Kyohiko
Ushin
Ush Rebellion
USIA
U.S. Information Service
using allusions
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