市政工程施工设计阶段需要的地形图比例尺一般为()。
A.1:100~1:200
B.1:500~1:1000
C.1:2000~1:5000
D.1:10000
参考答案:B
The following information is available for two bonds: Bond X is callable and has an option-adjusted spread (OAS) of 55bp. Similar bonds have a Z-spread of 68bp and a nominal spread of 60bp. Bond Y is putable and has an OAS of 100bp. Similar bonds have a Z-spread of 78bp and a nominal spread of 66bp. The embedded option cost for Bond:()
A. X is 5bp.
B. X is 8bp.
C. X is 13bp.
MMR(多方式接收机)至少同时跟踪()卫星时,才能进入导航方式中,并向ADIRU连续提供数据?
A、3颗
B、4颗
C、5颗