螺线扫描 | |
tech. | helical scan |
ABC法 | |
UN AIDS. | ABC approach; Abstain, Be faithful, use a Condom |
CVD法 | |
supercond. | chemical vapour deposition process; CVD process |
PVD法 | |
supercond. | physical vapour deposition process; PVD process |
法 | |
gen. | law; method; way |
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helical scan |
螺线扫描: 7 phrases in 3 subjects |
Air defense | 1 |
Technology | 5 |
Telecommunications | 1 |