simultaneous use同用simultaneousadj.同时发生的；同步的simultaneous optimization同步优化simultaneous transmission同时传递[送], 平行传递[送]simultaneously measurable同时可测定simultaneous substitution同时代入simultaneous tachycardias同时发生的心动过速, 双重性心动过速simultaneous conditioning同时条件作用simultaneous fermentation同步发酵simultaneous localization同时定位simultaneous - equation联立方程simultaneous immunization同时免疫法