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光跟踪 | |
tech. | optic tracking; optical tracking |
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 |
卫星 DNA | |
life.sc. | satellite DNA |
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optic tracking; optical tracking |
光 跟踪 : 299 phrases in 18 subjects |