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单词
substructure
释义
sub·structure
\“+\
noun
Etymology:
sub- + structure
:
understructure, groundwork: as
a.
:
the foundation of a building or other structure
b.
:
the earth roadway supporting the ballast and track of a railway line
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rank-difference coefficient of correlation
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ranking bar
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更新时间:2025/7/29 2:42:11