词汇	duration management
释义	duration management 久期管理
随便看	graphical drawing graphical echo graphical editing graphical editor graphical effect graphical electrical symbol graphical electromagnetic computing graphical element graphical element composition graphical elements graphical enlargement graphical entity graphical environment graphical error graphical estimation graphical estimation method graphical estimator graphical evaluation graphical evaluation and review technique graphical expansion graphical expression graphical extension graphicalextrapolation method graphical extrapolation method graphical-extrapolation method