8Mcintyre G R. Patterns in safety thinking [M]. Surrey:Ashgate Publishing Company ,2000.
9U. S. Department of Transportation FAA. E-CFR 14 part 33-airworthiness standards : aircraft engines [EB/OL]. [2012-07-04]. http: // ecfr. gpoaccess. gov/cgi/t/text/text-idx? c =ecfr&-sid = d7681d67dlec93fle00b81e2e23e680-e&-rgn =div5&-view— textnode = 14:1. 0. 1. 3. 16&^idno~ 14.
10U. S. Department of Transportation FAA. Advisory circu-lar 33. 70-1 : guidance material for aircraft engine-life-limit-ed parts requirements[R]. Washington, DC: FAA, AC33.70-1,2009.