词汇	isotopic cross section
释义	isotopic cross section 同位素截面
随便看	performance curves of water-turbine pump performance data performance database performance data base performance data collection performance data computer Performance Data Computer System Performance Data Manage performance data, vehicles performance date performance debugging performancedecision performance decrement performance deficiency performance deficit performance deftciency performance degradation performance degradation assessment performance degradation model Performance demonstration Performance Demonstration Test performance density performance dependent cost performance depreciation performance description