issuance
n. 发行；发布
近义词：delivery，emergence，issuing，issue，
英英释义
Noun
- the act of providing an item for general use or for official purposes (usually in quantity);
"a new issue of stamps" "the last issue of penicillin was over a month ago"
例句
用作名词(n.)
- This certificate expires 180 days after issuance.此证书自发行起180天内有效期。
- The Notice takes effect upon issuance.本通知自发布之日起实施。