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Synchronous Data
synchronous data
space
同步数据
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Hierarchy
hierarchy
econ.
级
;
依次递进
manag.
等级制度
;
阶层
;
统治集团
math.
分层结构
;
分级结构
space
分级
;
等级
to phrases
synchronous data
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同步数据
Synchronous Data
:
52 phrases
in 14 subjects
Agriculture
1
Air defense
1
Aviation
2
Earth sciences
1
Electronic commerce
1
Electronics
16
Information technology
8
Metallurgy
1
Multimedia
3
Oil / petroleum
1
Rail transport
1
Space
6
Technology
7
Telecommunications
3
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