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低速 电子束 | |
mil., air.def. | low velocity electron beam |
B 扫描 | |
met. | B-scan |
C 扫描 | |
met. | C-scan |
扫描 | |
dat.proc. | raster |
el. meas.inst. | sweep |
hydroel.st. | trace |
manag. | line-picking |
met. | time base |
rem.sens. | scanning |
space | trace |
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low velocity electron beam |
低速电子束 : 6 phrases in 5 subjects |
Air defense | 2 |
Electronics | 1 |
General | 1 |
Space | 1 |
Technology | 1 |