单项选择题
A.Beta (4,297)B.Beta (5,300)C.Beta (5,297)D.Beta (3,297)E.Beta (4,300)
A.0.188B.0.260C.0.360D.0.288E.0.648
A.1500B.1000C.1200D.1800E.1250
A.756.02,4.83B.897.85,5.93C.905.13,6.04D.918.05,6.15E.925.10,6.30
A.0.182B.0.190C.0.210D.0.321E.0.563
A.1B.2C.3D.4E.5
A.λB.1/λC.1D.1/λ2E.λ2
A.600B.632C.658D.670E.700
A.1.28B.1.30C.1.34D.1.36E.1.38
A.17B.18C.19D.20E.21
A.2956B.2970C.29140D.29200E.21134