LEC方法(又称作业条件危险性分析法或格雷厄姆-金尼方法)，将可能造成安全风险的大小用事故发生的可能性(L)、人员暴露于危险环境中的频繁程度(E)和事故后果(C)三个随机自变量的乘，积来衡量，即：R＝L·E·C。式中的E表示( )。
one of his invented stories blows up intoan actual news story, such as when he related a dramatic but fake tale of a helicopter ride he said he shared with Willie Brown, a former mayor of San Francisco, that involved a near-death experience and Brown, who once dated Kamala ...
The Fort Lauderdale suburb North Palm Beach has good schools, higher-than-average home prices, a busy calendar of year-round community events, and functions as a veritable paradise for boaters. John D. MacArthur Beach State Park, situated along a scenic coastline, provides North Palm Beach resi...
I let him know that I was a solo female traveler and he assured me that he woul 続きを読む 役に立った I can't say enough about one of the... Dennis E(2018年9月) I can't say enough about one of the most fantastic trips I've ever had in...
Monday was expected to be one of the busiest travel days of the entire holiday season, as the federal holiday for New Year's was observed during the first weekday of 2023. With schools and companies returning to the classroom and office, many travelers used Monday as a travel day to retur...