通过对2，4-D浓度及生长发育时间的控制获得了高度同步化的各发育阶段体胚材料。
Synchronized embryogenic cultures at different developmental stages were obtained by controlling 2,4-D concentration and developmental time.
目的探讨氟砷暴露对尚处于生长发育阶段儿童智力及生长发育的影响。
Objective To investigate the influences of arsenic and fluoride exposure on children's intelligence and growth.
目的探讨氟砷暴露对尚处于生长发育阶段儿童智力及生长发育的影响。
Objective To investigate the influences of arsenic and fluoride exposure on children's intelligence and growth.
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