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大气圈系统
释义
大气圈系统
Encyclopedia
理学
[地理系统]
释
atmosphere circle system
大气圈系统
由包围地球的混合气体构成的系统,是地球的子系统之一。大气圈系统的主要研究对象为大气的组成成分及其演变、能量与物质循环机制及其动态变化。
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User requirements
user requirements
user research
users and interactive information retrieval
users authentication authorization
user's collaborative information retrieving behavior
users'cost of fisheries resources
user's diary description
user's exploratory searching behavior
user's perspective study
user's psychology-behavior control mechanism
user stack
user study
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
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