执行: carry out; execute; implemen ...失效: lose efficacy; lose effectiv ...概率: probability; chance失效概率: failure probability; probability of failure累积失效概率: cumulative failure probability失效概率分布: failure-probability distribution失效概率密度: failure-probability density失效概率分析技术: failure probability analysis technique累积失效概率的观测值: observed cumulative failure probability后效概率: probability after effect运行失效: operational failure自行失效雷: self-neutralizing mine执行失败: exec failure对效概率格纸: logarithmic probability paper总效概率密度: ensemble probability density自行解除待发状态装置自行失效装置: self-deactivatingmechanism行失真: line distortion失效: 1.(失去效力) lose efficacy; lose effectiveness; cease to be effective 这药已失效了。 the medicine no longer has any effect.2.(无效) (of a treaty, an agreement, etc.) be no longer in force; become invalid 条约的失效 voidance; voidness of treaties; 一张失效的支票 an invalid cheque; 自动失效 automatically cease to be in force; 这张证明已失效。 this certificate is invalid.; 失效保险 fail-safe; 失效检验 failure detection; 失效率 [物理学] failure rate; 失效提单 stale bill of lading; 失效支票 stale check; 失效准则 failure criteria概率: [数学] probability; chance◇概率论 probability theory; theory of chances; 概率曲线 probability curve; 概率寿命 life expectance; 概率算法 probabilistic algorithm; 概率统计 probability statistics; 概率统计法 probabilistic method; 概率统计计算法 computational methods of probabilistic statistics步行失能: abasia非平行失真: nonparallel distortion飞行失能: flying incapacitation飞行失事: air accident航行失误: negligence of navigation平行失活: parallel deactivation