下列属于狭义表外业务的是()
A.信托
B.担保
C.支付结算
D.租赁
参考答案:B
视力预后不良的因素有()
A.外伤性低眼压
B.PVRC级
C.伤后视力HM/20cm,光定位不准确
D.巩膜裂伤15mm
E.化脓性眼内炎
For COAPAS-SARSAT system,()process the distress signal from EPIRB to determine its position and identity.
A.COSPAS-SARSAT
B.ground receiving stations
C.spacecraft
D.satellite SAR instrument