abbr. 光学稳像（Optical Image Stabilization）；办公室信息系统（Office Information System）；外国留学生工作处（Office of International Students）；（美国）光学影像系统公司（Optical Imaging Systems）
n.agency that oversees the intelligence relationships of the Treasury's offices and bureaus and provides a link between the Intelligence Community and officials responsible for international economic policy
Mr Truman said while it was hard to hear the survivors' stories it was important for his family to understand the full consequence of decisions made by his grandfather, says the BBC's Mariko Oi.