悠然逸轩
RUL（Remaining Useful Life，剩余使用寿命），主要指系统运行一段时间后，剩余的使用寿命，准确地预测系统的剩余使用寿命，可以大大地减少因系统当机引起的损失，提高系统的运行可靠性。另外一种解释：剩余寿命是指部件或子系统从当前到发生潜在故障的预计持续正常工作时间。RUL基本预测算法包括基于失效物理模型（PoF）的方法、基于统计分析的方法。
书画人生
ruler n.尺 直尺 统治者变形复数： rulers1.The ruler cracked and splintered into pieces.尺子裂开了，碎成了小片。2.This is a ruler graduated in both inches and centimetres.这是一把刻有英寸和厘米的尺子.3.Align the ruler and the middle of the paper.使尺子与纸张的中部成一条直线.1N-COUNT 统治者;管理者;治理者The ruler of a country is the person who rules the country.搭配模式oft with poss...the former military ruler of Lesotho...莱索托的前军事统治者He was a weak-willed and indecisive ruler.他是一位意志薄弱、优柔寡断的统治者。2N-COUNT 尺;直尺A ruler is a long flat piece of wood, metal, or plastic with straight edges marked in centimetres or inches. Rulers are used to measure things and to draw straight lines.英汉双向An.1尺, 直尺Draw a line with a ruler.用尺子画一条线。2统治者, 支配者A wise ruler is generous in victory.明智的统治者对待被击败的敌人是宽大的。英英释义ANoun11. measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths22. a person who rules or commands;" "swayer of the universe" "1.尺词根词缀词根: rul 表示"统治,规定"An.1rule 规章；习惯；统治rul统治,规定+e→v.统治；支配；裁决 n. 规章；习惯；统治2ruler 统治者；尺，直尺rul统治,规定+er表名词→n.统治者；尺，直尺Bv.1rule 统治；支配；裁决rul统治,规定+e→v.统治；支配；裁决 n. 规章；习惯；统治同反义词同义词An.1地方官chancellor ruling prefect elder magistrate2王朝,君主monarch queen administrator tyrant dictator head suzerain governor liegepotentate king leader crowned sovereign chieftain majesty overlord chiefautocrat tetrarch prince
优质英语培训问答知识库
