目的：总结经腹腔途径泌尿外科腹腔镜手术的初期经验。
Objective: to summarize the early experience of transperitoneal laparoscopic urological surgery.
结果多数患者45例（91%）最初期可有轻度腹胀、腹泻，但经调整、适应，均能完成喂养。
Results The majority cases of 45 patients(91%) may have mild abdominal distension and diarrhea at the initial stage, but after adjustment, adaptation, they were able to be completed feeding.
第1、4代经卵带毒虫，还能分别引起早、晚稻再次侵染。 以早栽双季晚稻和杂交晚稻发病最重，其主要感染期是在本田初期。
The transovarial virus in 1st and 4th generations of congenital viruliferous insects can cause the second infection on early and late rice respectively.
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