1985年，国务院出台的《关于科技体制改革决定》中，根据科技工作不同特点分三类：开发型--合同制、技术型--基金制、公益型--包干制。因为社会公益成果不能实现社会化的市场交易，但国家需要，所以包干制是国家收购成果，但国家没有义务包你、养你，当时许多机构想进入包干 In 1985, the State Council promulgated the Decision on the Reform of Science and Technology System. There are three categories according to the different characteristics of science and technology work: development-contract system, technology-fund system, public welfare-package system. Because the results of social welfare can not achieve social market transactions, but the country needs, so the package is the result of state acquisitions, but the state has no obligation to wrap you, raise you, when many organizations want to enter the package