investment lag投资时滞,投资的时间延滞investmentn.投资；投资额；投入investments on human resource人力资本投资Investment by Various sectors各行业固定资产投资investment effect coefficient投资效果系数investment decision mechanism投资决策机制investment treaty arbitration投资条约仲裁Investment accumulated income投资累计收益investment project evaluation投资项目评价investment/financing model投融资模式investment constriction force投入约束力Investment in new capital equ对新资本设备的投资