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单项选择题
A.1000线/mm
B.250线/mm
C.500线/mm
D.600线/mm
单项选择题
A.0.2nm
B.0.4nm
C.0.6nm
D.0.8nm
单项选择题
A.762mm
B.534mm
C.965mm
D.364mm
单项选择题
A.0.7mm
B.0.5mm
C.0.3mm
D.0.1mm
单项选择题
A.1.8mm
B.0.1mm
C.2.2mm
D.0.5mm
单项选择题
A.(8.0m,2.7m),(4.0m,2.0m)
B.(9.0m,3.7m),(5.0m,3.0m)
C.(6.0m,1.7m),(3.0m,1.5m)
D.(4.0m,2.0m),(8.0m,2.7m)
单项选择题
A.不满足;不满足
B.满足;不满足
C.不满足;满足
D.满足;满足
单项选择题
A.31.0°
B.24.5°
C.50.2°
D.73.5°