求翻译：又称市政证券，是指州、市、县、镇、政治实体的分支机构、美国的领地、以及它们的授权机构或代理机构所发行的证券。是什么意思？

Also known as municipal securities, refers to the state, city, county, town, political entities, subsidiaries, U.S. territory, and their authority or agency that issued the securities.

It is also known as municipal securities, and refer to state, city, county, town, political entities, the branches of the United States Territories, as well as their authorized organs or agencies of issued securities.

Also called the municipal administration negotiable securities, refer to the negotiable securities which the state, the city, the county, the town, the political entity branch office, US's territory, as well as their authorized organization or the proxy organization distribute.

Also known as municipal securities, refers to States, cities, counties, towns, branches of political entities, United States territories, as well as their authorized institutions or securities issued by the Agency.

Also known as municipal securities, refers to States, cities, counties, towns, branches of political entities, United States territories, as well as their authorized institutions or securities issued by the Agency.