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单词
positive definiteness covariance
释义
positive definiteness covariance
美
英
un.
正定协方差
英汉
un.
1.
正定协方差
例句
随便看
user action frame
user action routine
user activity
Useradd
user address
user address space
user adjustment
user agent
user-agent client
user agent entity
user agent layer
user agents
user-agent server
user agent spoofing
user agent string
user agent, UA
user agent (ua)
user agreement
user analysis
user-application network
user application software
user area
user area profile
user assigned name
user-assigned name
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2025/8/14 5:03:54