初级: elementary; primary; junior; ...反应: neaction基因: gen; gene; Mendelian factor; ...初级反应: primary reaction; primary response早期反应基因: early response gene; primary-response gene初级反应堆装置: preliminary pile assembly即刻早期反应基因: immediate-early gene ieg免疫反应基因位点: immune reactive locus早期生长反应基因-1: early growth response gene-1反应基: reactive group级反应: nth order reaction初级反酌: primary back reaction早期快反应基因,早期即刻基因: immediate early gene大效应基因: larger effect gene效应基因: effector反应基团: reaction group; reactive group活性基;反应基: reactive group次级反应: induced reaction; secondary reaction单级反应器: single stage reactor; single-stage reactor多级反应: reaction of high order多级反应器: multistage reactor二级反应: reaction of second order; reaction of the second order; second order reaction; second-order reaction; secondary order reaction; secondary response分级反应: fractional order reaction分数级反应: fractional order reaction; reaction of fractional order高级反应: higher order reaction; reaction of higher order