重庆市妇幼保健医院正规吗?ask共享

来源:搜狐娱乐
原标题: 重庆市妇幼保健医院正规吗?排名问答
栏目简介:;Shanghai Live; focuses on big events in the city and major issues around the world, and presents them in a practical and audience-friendly manner to meet the ever-evolving needs of Shanghais English-speaking viewers,both local and expatriate.《直播上海英语电台》集中报道城市大事件以及全球热点话题,并以观众喜闻乐见的方式呈现给大家,从而满足上海本地以及上海海外人士的英语需求。201512/416651栏目简介:《外国人在北京》是英语视频听力下面的子栏目,节目关注在北京生活的外国人的时尚新生活。话题紧紧围绕网络生活,每日的话题内容按照网络热门固定划分为家居、汽车、数码、饰美容、健身、交友、美食等,了解外国人生活的同时通过网络互动提供一个中外人士互相帮助的平台。201603/430340

If the string vibrates in one way.弦若往某一个方向振动It produces a certain kind of fundamental particle,say,a quark.就会产生某种基本粒子 好比夸克And if it vibrates in another way.而若往另一个方向振动It creates a neutrino,which is another kind of particle.则会产生微中子 这是另一种粒子But heres the clever bit: String theory has the potential to explain.但关键来了 弦理论可能可以解释这些粒子why these particles interact with each other in the precise way they do.为何能精准地以现有方式互动just like the harmony in a piece of music.如一首乐曲一样和谐And this is where the laws of physics come from.这就是物理定律的起源The laws that control everything in the universe.主宰宇宙万物的定律From the behavior of black holes...从最近发现的南极光的运作模式 到黑洞To the life and death of stars.再到恒星的诞生与毁灭Take something as simple as a roll of paper falling to the floor.即使是单纯的一卷纸掉落地面Or the flickering of the magnetic compass needle.或是指北针的摆动The simplests but most fundamental of actions.最简单且最基本的作用力all governed by the rules of string theory.都受弦理论的规则配201601/424044栏目简介:《造物小百科How it’s made》介绍了许多东西的制作或者说发明方法,非常实用。其中的英语视频发音地道,内容浅显易懂,过程形象生动,是提高英语听力水平,积累英语知识和一些简单生活常识的好素材。201508/390566TED演讲集 那些匪夷所思的新奇思想201510/402544

Suppose you want to know how long it was between the Norman invasion of England and Columbuss arrival in the Caribbean;that is,whats 1492 minus 1066 but you hate long subtraction with its borrowing and such.Well,we can subtract by adding:first we just need to replace each digit of the smaller number with 9 minus that digit,except the final digit gets replaced with 10 minus that digit,so 1066 becomes nine minus 1,nine minus 0,nine minus six,ten minus 6.假设你想知道,诺曼底登陆和哥伦比亚抵达加勒比海之间,相隔多久;是1429减去1066 但你又讨厌多位数减去的借位等麻烦步骤。那么,我们可以通过加法来进行减法运算:首先我们需要用9减去每个数位上的数字,得到一个较小的数字来代替它,最后一位数用10来减,那么1066就是 9减1 9减0,9减6 10减6.Adding that to 1492 gives 10426,and if we ignore the first digit,we get the answer:1492 minus 1066 is 426.You can check just to be sure.Coincidentally,its roughly 426 times farther from Portugal to the West Indies and back than from France to England.将得到的数值加上1429等于10426,然后去掉首位,我们就得到了1429减1066的426.不信,你可以计算验一下。巧的是,从葡萄牙到到西印度群岛的距离,大约是从法国到英国距离的426倍。But anyway,the subtraction-by-adding trick works for any positive numbers! 8 minus 6,or 2 is the same as 9 plus 4,ignoring the first digit.100 minus 1? is 100 plus 999,which is 99,ignoring the first digit.And 424,242 minus 333,333 is 424,242 plus666,667 or,90,909 ignoring the first digit.Ill let you check that one.总之,通过加法做减法的技巧,对一切正数都管用!8减6 得2.这根8加4 忽略首位的结果是一样的。100减1? 相当于100加999.略去首位,就是99.424242减333333 相当于424242加666667等于90909再略去首位。再试试这个。This trick might seem useless,but suppose you built a machine that can add numbers together,and you wanted to make it subtract?Well,in that case it might be easier to make it subtract by adding:and matter of fact,my friend Hank Green took apart an adding machine and thats exactly how it subtracts-by adding!这个计算技巧看起来似乎没什么用,但是假设你制造了一台可以进行加法计算的机器,可你却想用它做减法?在这种情况下,用加法做减法运算就很好用了:事实上,我朋友Hank Green拆解了加法机器,而这正是做减法的办法————通过相加!Basically,the machine adds numbers by rotating numbered wheels,but there arent infinitely many wheels so if you add up past the maximum possible number,you get back to zero-this is called;overflow;in computing and modular arithmetic in mathematics.But most importantly getting back to zero by adding means its possible to have positive negative numbers,since,for example,negative three is just what you add to three to get zero,and on Hanks adding machine if you add 3 plus 9,997.00,you get zero,so 9,997is literally negative three!基本上,机器通过转动数字齿轮进行加法运算,问题是齿轮是有限的,因此,一旦相加的数值超过上限,你得到的数值就是0 计算机里称之为“溢出”数学运算中称之为“模运算”。最重要的是通过加法得到0 意味着,这可能是加了一个负数的结果,例如,负3加3就等于0,使用Hank的加法机器 3加9997等于0,也就是说9997相当于负3!Unfortunately,there are an infinite number of numbers when youre doing regular arithmetic,so you might think that negative three is just negative three.But if youre willing to fudge a little,you can just take the adding machines version of negative three,add a bunch of 9s out in front,and when you add that to stuff its basically the same as subtracting three,as long as you dont look too far.不幸的是,在你进行常规计算时,存在着无数多的数字,所以你会觉得负3就只是负3.但是如果你愿意胡思乱想一番,那么负3就可以变成加法机器意义上的负3,在前面加上一大串的9,然后与某个数值相加,结果就相当于这个数值减3,就跟少几个9的时候一样。Because,you know,nine gadgillion nine hundred and ninety bajillion nine hundred and ninety seven plus three,is zero.By the way,this method of subtracting by adding is how computers subtract as well,they just do it in binary which makes it a lot easier.Its called ;subtracting using the twos complement,;if you want to look it up,;subtracting using the twos complement;因为,你瞧99999, 99997加3 等于0.顺便说一句。计算机就是,通过这种加法,进行减法运算,只不过计算机在二进制下计算,会更简单些。201506/378046栏目简介:《外国人在北京》是英语视频听力下面的子栏目,节目关注在北京生活的外国人的时尚新生活。话题紧紧围绕网络生活,每日的话题内容按照网络热门固定划分为家居、汽车、数码、饰美容、健身、交友、美食等,了解外国人生活的同时通过网络互动提供一个中外人士互相帮助的平台。201512/407599每隔7年,设计师斯特凡(Stefan Sagmeister)关闭他在纽约的工作室一年去休假,以恢复他的创作灵感。他解释了常被忽略的休假的价值,并展示了他在巴厘岛休假时受启发而创造的作品。201503/365052

With hundreds of gallons of water castigating瀑布带着数百加仑的水 一泻而下over the fall every second, the falls is breath-taking.每分每秒都令人窒息What I can do is hang on to the log,With this weight water on me, even breathing is hard.我能做的就是紧紧抓住原木 水的重量让我呼吸都感到困难Getting down that was a mission,A waterfall have a habbit for being ruthless if you get it wrong.终于成功下来了 若是你有失误 瀑布就绝不留情When youre battling against a river as strong as this,要与这么湍急的河流做斗争youve got to replenish your energy levels with any opportunity you get.你得利用所有机会 补充身体能量Theres a catfish in this pool.水塘里有只鲶鱼Im deep in the Vietnamese jungle,making my way down to wild mountain river.我深入越南丛林 沿着河道顺流而下Another bleep waterfall.Where you never know what might be lurking around the next corner.有一个该死的瀑布 丛林神秘莫测 你永远无法预知下一秒会遇见什么Theres a catfish in this pool.See him? Hes just gone behind that rock.水塘里有只鲶鱼 看到没 游到石头后面去了See? Straight in there, behind the grass.There you go. See him moving?快看 就在那片草丛后面 就在那 看到它动了吧I should search something that we can dam this.Stay there.我要找点东西挡住它的去路 别动201603/429301

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