词汇	policy efficiency
释义	policy efficiency 政策效率
随便看	envelope to cycle difference envelope to cycle difference, ECD envelope to cycle discrepancy envelope top envelope topography envelope tracking envelope trait envelope transformation envelope transit signal envelope type agglutination envelope velocity envelope viewer envelope virus envelope wall envelope wave form memory envelope-whirling method envelope-whirling milling method envelope widescope envelope wide scope envelope wide-scope envelope with compartments envelope with finger openings envelope with opening device envelop feature envelop feature extraction