通常情况下，倾斜视程SVR与跑道视程RVR之间的关系是？Usually，the relationship between SVR and RVR is？
A.SVR小于RVR。SVR smaller than RVR
B.SVR大于RVR。SVR greater than RVR
C.SVR等于RVR。SVR equal to RVR
正确答案是1