样本大小字码表批量范围特殊检查水平一般检查水平S-1S-2S-3S-4ⅠⅡⅢ1~8AAAAAAB9~15AAAAABC16~25AABBBCD26~50ABBCCDE51~90BBCCCEF91~150BBCDDFG151~280BCDEEGH281~500BCDEFHJ501~1200CCEFGJK1201~3200CDEGHKL3201~10000CDFGJLM10001~35000CDFHKMN35001~150000DEGJLNP150001~500000DEGJMPQ≧500001DEHKNQR