滚动投资

滚动投资滚动投资
  1. 区探、预探、评价、滚动投资比例;

    The proportion of regional , preliminary , appraisal and progressive exploration investment ;

  2. 在所有截至2002、2003和2004年的五年周期内,五年滚动周期年均投资回报率最低值应该是3%。

    The lowest average annual return on a five-year rolling basis would have been 3 per cent , between any of the five-year periods ending 2002 , 2003 and 2004 .