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时间防护
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时间防护
Encyclopedia
工学
时间防护
释
time protection
时间防护
在外照射环境下从开始到结束控制受照射的时长来降低受照剂量的措施。
随便看
useless symbol
use little to comprehend much
U.S. Energy Information Administration (EIA)
U.S. Environmental Protection Agency
use of collection
use principle
user
user account
user accuracy
user agent
user authorization file
user behavior data
user-centered design
user charge
user cognitive style
user cost
user CPU time
user datagram protocol
user datagram protocol protocol
user datagram protocol, UDP
user-defined character-formation program
user-defined word-formation program
user documentation
user elevation database
user equivalent range error
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