在寄生虫学教学中，常以环卵沉淀试验（ＣＯＰＴ）和尾蚴膜反应（ＣＨＲ）作为血吸虫病血清诊断方法的教学示教和操作实习。一般采用凹玻片湿盒法、划蜡圈法、悬滴法、划两条蜡线后蜡封法等，操作烦杂、费时费工。故我们改用碎盖片石蜡油封固法，自７０年代初使用至今，效... In the teaching of parasitology, often ring and egg precipitation test (COPT) and cercariae membrane reaction (CHR) as a serological diagnosis of schistosomiasis teaching teaching and practice internship. Generally used wet-box concave glass method, draw paraffin circle method, hanging drop method, draw two wax lines after the wax seal method, the operation is complicated, time-consuming and laborious. Therefore, we use broken pieces of paraffin oil seal method, since the early 70s so far, effective ...