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numeric index | |
tech. | 数标 |
numerical index | |
econ. | 数字索引 |
of the | |
gen. | 大城市的流浪儿 |
vector group | |
agric. | 矢量群 |
space | 矢量 群 |
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数字索引 | |||
数标 | |||
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数标 |
numerical index of the vector group : 13 phrases in 5 subjects |
Aviation | 4 |
Earth sciences | 1 |
Electronics | 1 |
Technology | 5 |
Telecommunications | 2 |