数字减影动脉造影
Digital subtraction angiography
数字减影动脉造影术
Digital subtraction arteriography DSA
数字减影图象(DSA)
aerobic biological treatment process
阵列失配影响的缓减
Alleviation of effect of array mismatch
2维投影
projection of two dimension
193nm投影光刻
193 nm projection lithography