lula不是luna
随机过程问题，假设一条线路上占线的到来是泊松过程，那么任意时刻每条线路通畅概率为2/3，那么至少要设置[Log(0.05)/Log(2/3)]+1=8条线路。
长虹饮练
1. Waste not,want not. 俭以防匮。 2. From saving comes having. 富有来自节俭。 3. A penny saved is a penny gained. 省一文是一文。 4. Take care of the pence and the pound will take care of themselves. 金钱积少便成多。 5. Frugality is an estate alone. 节俭本身就是一宗财产。 6. He that regards not a penny,will lavish a pound. 小钱不知节省，大钱将滥花。 7. Small gains bring great wealth. 积小利，成巨富。 8. Many a little makes a mickle. 积少便成多。 9. As the touchstone tries gold,so gold tries man. 试金之石可试金，正如黄金能试人。 10. Courage and resolution are the spirit and soul of virtue. 勇敢和坚决是美德的灵魂。 11. The path to glory is always rugged. 光荣之路常坎坷。 12. Nothing is difficult to the man who will try. 世上无难事，只要人肯试。 13. The fire is the test of gold;adversity of strong man. 烈火试真金，困苦炼壮士。 14. Great hopes make great man. 远大的希望造就伟大的人物。 15. No way is impossible to courage. 勇士面前无险路。 16. A smooth sea never made a skillful mariner. 平静的大海决不能造就出熟练的水手。 17. The good seaman is known in bad weather. 坏天气下才能识得出良好的海员；要识好海员，须凭坏天气。 18. The best hearts are always the bravest. 行为最勇敢的人心地总是最善良。 19. We must not lie down,and cry,God help us. 求神不如求己。 20. He that falls today may be up again tomorrow. 今天跌倒的人也许明天就会站起。 21. Rome was not built in a day. 罗马并非一日可建成；坚持必成。 22. Success belongs to the persevering. 胜利属于坚忍不拔的人。 23. We must repeat a thousand and one times thatperseverance is the only road to success. 我们要多次重申：不屈不挠是取得胜利的唯一道路。 24. Perseverance is failing nineteen times and succeeding the twentieth. 十九次失败，到第二十次获得成功，这就叫坚持。 25. Step by step the ladder is ascended. 登梯需要逐级登。 26. Adversity leads to prosperity. 困苦通向昌盛。 27. Patience and application will carry us through. 忍耐和专心会使我们度过难关。 28. Fortune often rewards with interest those that have patience to wait for her. 做事只要有耐心，到头总会有好运；耐心候好运，好运常会来。 29. All things will come round to him who will but wait. 只要肯等待，一切都会按时来。 30. Constant dropping wears the stone. 滴水不绝可穿石。 31. Omelets are not made without breaking of eggs. 鸡蛋不打破，蛋卷做不成；不甘愿吃苦，则预期效果达不到。 32. The world is a ladder for some to go up and others to go down. 世界好似一把梯，有人上去有人下。 33. There needs a long apprenticeship to understand the mystery of the world's trade. 要知世事奥秘多，须要长期作学徒。 34. Life is sweet. 生活是可爱的；人无不好生(恶死)。 35. Where there is life,there is hope. 生命不息，希望长在。 36. Life is not all beer and skittles. 人生并不全是吃喝玩乐。 37. Much water runs by the mill that the miller knows not of. 眼前发生许多事，有些我们并不知。 38. Fortune knocks once at least at every man's door. 人人都有走运的一天。 39. If you are too fortunate,you will not know yourself; if you are too unfortunate,nobody will know you. 运气太好，见人不睬；运气太坏，无人理会。 40. Every man is the architect of his own fortune. 每一个人都是自身幸福的建筑师。 41. Happy is he who knows his follies in his youth. 记得年轻时所作蠢事的人是幸福的。 42. Misfortunes never (seldom) come alone (single). 祸不单行。 43. Misfortune is a good teacher. 不幸是良好的教师。 44. Misfortunes come at night. 祸常生于不测。 45. Misfortunes tell us what fortune is. 恶运临头后，才知幸运贵。 46. Adversity makes a man wise,not rich. 患难能使人聪明，但不能使人富有。 47. Live and learn. 活到老，学到老。 48. It is never too old to learn. 为学不怕年高。 49. A man becomes learned by asking questions. 要长学问，就得多问；多问则业精。 50. There is no royal road to learning. 学问无坦途。
桐叶封弟
come on快点come to达到，共计come out 结果是come at袭击come up出现，走近come across不期而遇come along发生，陪伴get across通过get along与。。。相处get down to开始认真考虑get on上车get off下车get up起床get over克服get to达到get together聚集put away放好put down 放下put forward提出，建议put in 放进，安装put on穿上，开灯put off关、脱掉，推迟put out熄灭，出版put up 举起，提出计划put up with容忍turn on 开turn to求助于turn down调低；拒绝turn in上缴turn off关掉turn out 关掉，原来是，生产 over仔细考虑 up开大，调大，出现，查阅
沙发里的土豆
success 翻译成功; 胜利; 发财; 成名; 成功的人(或事物); 例句:This plan was a great success.这项计划非常成功。常用短语:1 great success ，中文:巨大成功2 with success，中文:成功地3 success rate，中文:成功率，接通率4wihout success，中文:没有成功
aprileatapple
come into effect 开始生效The revised work-schedule comes into effect next week.修改过的工作时间表将于下周起实行。come into force 开始有效, 开始实行When do the new regulations come into force?新章程什么时候开始实行？come off 离开, 举行, 实现, 成为This button has just come off her coat.这颗钮扣刚从她大衣上脱落。come on 进展；采取行动；快点；赶快The soldiers came on in spite of heavy fire. 士兵们冒着猛烈的炮火前进。How are you coming on with your work just lately?最近你的工作情况如何？come out 出来, 长出, 传出, 褪去, 露出，出现The child has got measles. The spots have come out.这个小孩患了麻疹，疹子已出现了。 come round 过访, 绕道而来, 苏醒, 转变, 改主意, 笼络She finally came around to our viewpoint. 她终于同意了我们的观点。come to 达到； 继承, 复苏；想起；共计We will come to you tomorrow if you can’t come to us today.要是你今天不能来，那么明天我们去你那儿。How much does the bill come to?帐单上一共多少钱？come to the point 到达要点I was just coming to the point when you cut in.你插嘴时，我刚要谈那一点。come true 实现, 达到His words come true.他的话证实了。I’ve always dreamt of coming to China, and now, my dream has come true.我一直梦想着来中国，现在，我的梦想实现了。 come up 突然碰到，上来, 发生, 提出，升到，提出At this time of year the sun comes up at five in the morning and goes down at about eight-thirty in the evening. 一年中的这个时候，太阳在早上五点升起，晚上八点左右落 下。come up to 达到, 符合达到(标准),比得上,等于come up to expectations 达到期望come up to = to reach 升到The water came up to our knees.水升到了我们膝盖处。come up to = to approach 靠近He came up to me and introduced himself.他走近我并作了自我介绍。come up with 赶上, 提出，提出,拿出come up with = to produce 提出She came up with a good idea. 她提出了一个好主意。get across (使)越过, 通过, 被理解She tried to get her ideas across to us. 她想让我们理解她的想法。get along 度日；相处We cannot get along on his salary. 我们无法靠他的薪水过活。 How does she get along with her brother? 她与她哥哥相处得如何？get away 逃脱, 离开, 把...送走The lion was shut in a cage and unable to get away again.这狮子关在笼子里无法再逃跑了。You can’t get away from it. 这事你无法回避。get by 应付；通过, 混过Please let me get by.请让我过去。We’ll have to get by with one car. 我们不得不靠一辆小汽车勉强对付过活。get by heart 记住，背诵get down (从...)下来, 吞下, 写下, 使沮丧She got the book down from the shelf. 她从书架上把书取下来。We’ll get down at the next station.我们下一站下车。get hold of 抓住, 得到get on with 继续做They got on with their work after a short rest.他们休息片刻后继续工作。How does she get on with her brother?她与他的哥哥相处得如何？ She is getting on nicely with her English. 她的英语大有进步。get on/off 有进展，成功，进步；离开，逃脱；下车，从...下来He got on his horse.他骑上了马。How are you getting on?你过得怎样？We get off the next bus stop.我们在下一站下车。I may be able to get off this Monday.这个星期一我也许能离开。get out 离开，离去，（消息等）泄漏，取出，除去They could not find a way to get themselves out.他们无法找到一条逃生之路。Don’t let this news get out.不要让这消息泄露出去。get out of 逃避；改掉 ；（使）摆脱I couldn’t get out of doing it. 我不能不做这件事。get ready 准备好get rid of 摆脱, 除去get round 走动, 传开来It is still difficult for him to get round without a cane.他不用手杖走动还是有困难的。 The news soon got round.消息不久就传开了。get round to 腾出时间来做He says he will get round to it next week.他说下周将抽出时间去做那件事。get the better/best of 打败, 智胜/ 战胜，从...中得到最大益处Don’t always try and get the better of her over every incident.不要总试图在每件事上都胜过她。get through 到达（目的地）, 做完, 通过, 度过, 打通I’ve got through my work. 我已完成了我的工作。She finally got the message through to them. 她终于把信息传送给了他们。get together 聚集, 收集, 积累；取得一致意见We finally got together on a compromise. 我们双方终于同意一个折衷办法。We got together with some friends last night. 昨晚我们和一些朋友在一起相聚。get up 起床I get up at 6:00 every day.我每天六点起床。put across 圆满完成, 使被接受He contrived to put it across.他设法把这件事完成了。put aside 撇开, 储存...备用When the doctor heard of the child’s illness, he put aside the paper he was reading and hastened to its home.医生听到那个孩子病了，就放下正在阅读的报纸，匆匆赶到孩子家去。He has put aside a good sum of money.他已经储蓄了很多钱。put away放好, 收好We put away the tools before we leave the workshop.我们在离开车间以前把工具收拾好。put down 放下, 写下, 记下，平定，镇压Put it down here.把它放在这儿。The king put down the uprising and killed all the slaves involved.国王镇压了那次起义，杀死了所有参加起义的奴隶。put forward 放出, 拿出, 提出, 推举出He put forward three radios for our choice.他拿出三台收音机供我们选择。They have put forward Mr. Lu as a president. 他们已推荐刘先生当校长。put in 使进入，加进You find the tea too strong? Just put in more water.你觉得茶太浓吗？多加些水进去就是了。put in order 整理， 检修put into effect 生效When the time is ripe the scheme will be put into effect.时机成熟的时候会实行这项计划的。put into operation 使生效put into practice 实行, 实现put off 除去，脱去，推迟, 延迟, 劝阻，阻止As it got warmer, I put off my overcoat.天气暖和了，我脱去了大衣。The meeting has been put off till next week.会议已延期到下星期。put on 穿上, 把...放在上，增加（体重），上演（戏剧）Please put the kettle on.请把水壶放上去。The baby has put on two in during the last month.在过去的一个月里婴儿的体重增加了两斤。put out熄灭，扑灭，生产，出产，出版，发布，伸出Tell the children to put out the fire.叫孩子们把火熄灭。This magazine is put out every Friday.这本杂志每星期五出版。put to use 使用, 利用put up 建造，支起，搭起；张贴，公布；提供食宿Several tents have been put up to them. 支起几个帐篷来给他们住。Do you think they can put us up for the night?你认为他们能安排我们过夜吗？put up with 忍受，容忍No longer able to put up with his toothache, he went to consult a dentist.他再也忍受不住牙痛，就去请牙医诊治。turn down 交出, 上交, 拒绝, 不接受She turned down young Smith because he was poor.他拒绝了小史密斯的求婚，因为他太穷。turn in上缴, 交出He turned in an expense account.他交进一份开支帐单。turn into 变成The caterpillar turned into a butterfly.毛虫变成了蝴蝶。turn off 关掉, 断开, 拐弯, 使转变方向Turn off the TV.把电视机关掉。I turned off into a side street.我拐入一条横街。turn on 接通， 打开Shall I turn on the bath for you?我给你放浴水好吗？turn out结果是, 驱逐, 使离开, 关掉，熄灭 He turned out his pockets to show they were empty.他把口袋都翻出来，表明里面是空的。turn over 翻转，翻动，移交，交结That record is finished. Turn it over to play the other side.磁带的这面已走完，翻过来听另一面。turn to 变成, 向...求助The ice turned to water.冰变成了水。I had to turn to the dictionary for help.我只得求助于字典了。turn up出现, 突然发生At eleven, they turned up.十一点钟的时候，他们出现了
