expection期待expectv.预期；期待；盼望Expected Significance Level期望有效级expected discounted penalty罚金折现期望Expected Operation Forecast预定活动预报expected relative frequency期望相对频率expected mean genetic value期望平均遗传值expected utility hypothesis预期效用假说Expected value of cash flow期望现金流Expected Time of Completion预计完成日期expected progeny difference欧洲分子生物学实验室Expected Approach Clearance预期进场许可