Oregon Museum of Science and Industry俄勒冈州的科学和工业博物馆 Operation and Maintenance Support Information操作和维护方面的信息 Office of Monitoring and School Improvement办公室的监测和学校改善 Open, Modular, Scalable, Integrated开放的、模块化的、可扩展、集成 Option Market System International期货市场体系国际