?出现率

... 兑现 1.(用票据换现款) cash (a cheque, etc.); pay cash; cash a check; redemption2.(诺言的实现) honour (a commitment, etc.); fulfill; make good (a promise); realize; make real 说话不兑现 fail to keep one's promise; fail to make good one's promise; 政策兑现 materialize a policy 出现率 frequency of occurrence; occurrence rate 发现率 discovery rate ...