His letters, like his poetry, are life-enhancing and a delight.他的信跟他的诗一样，读来令生活更添滋味，可谓一大乐事。The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.这种药增加了血液里的红细胞数量，从而将摄氧量提高了10%。Nanome...
用闪光照相，要把光圈孔径定为5.6。For flash photography, set the aperture at f.5.6.他把镜头光圈孔径缩小.He stopped down the lens to a small aperture.逆合成孔径雷达 ( ISAR ) 是指固定雷达对运动目标成像.Inverse synthetic aperture radar ( ISAR ) imaging involves station...