科学技术合作协定agreement on scientific and technical cooperation 并且东北亚在科学技术方面真正地成为了一重要力量。And, North East Asia has really become a major force technologically .
Thetwocountriescouldreach agreementsuccessfully on scientific and technologicalcooperationbecauseseveralfactorsfavorable totheir cooperation had been atwork.