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双自旋 | |
space | dual-spin |
GPS 卫星 | |
space | GPS satellites |
N 卫星 | |
space | N-SAT |
卫星 | |
environ. | satellite |
rem.sens. | satellite |
space | megabirds; satellites, balloons and rockets; moon; major planetary satellite |
卫星 DNA | |
life.sc. | satellite DNA |
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dual-spin |
双自旋 : 16 phrases in 5 subjects |
Aviation | 3 |
Drilling | 1 |
Metallurgy | 1 |
Space | 9 |
Technology | 2 |