装置设备布置常用的标准、规范有哪些？
Mariners should pay much attention in the overlapped area owing to（）. ["complicated circumstances","changeable atmospheric pressure","large density of traffic","some strong signals from unwanted satellite"]
在“分类汇总”行号列左边有（）个按钮，表示在建立的清单分级显示结构内的等级。 ["二","三","四","五"]
使用数据清单，能（）记录。 ["增加","删除","寻找","以上都正确"]
传染病疫情报告工作中说的四对照是什么？
网络订正传染病卡片时要注意什么？
