systemics内呼剂,内吸剂systemicadj.全身的；系统的n.内吸性杀虫剂systemic methodology系统论systemic linguistics系统语言学systemic description系统描述systemic construction体系建设systemic insecticides内吸杀虫剂systemic toxic agents全身中毒性毒剂systemic toxic action全身毒作用systemic radiotherapy全身放射治疗systemic bacteriology细菌分类学systemic intervention综合干预性治疗