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紫雨洋依

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CT是Computed Tomography的缩写。即电子计算机断层扫描,它是利用精确准直的X线束、γ射线、超声波等,与灵敏度极高的探测器一同围绕人体的某一部位作一个接一个的断面扫描,具有扫描时间快,图像清晰等特点,可用于多种疾病的检查;根据所采用的射线不同可分为:X射线CT(X-CT)以及γ射线CT(γ-CT)等。

原理

CT根据人体不同组织对X线的吸收与透过率的不同,应用灵敏度极高的仪器对人体进行测量,然后将测量所获取的数据输入电子计算机,电子计算机对数据进行处理后,就可摄下人体被检查部位的断面或立体的图像,发现体内任何部位的细小病变。

超高速CT扫描所用扫描方式与前者完全不同。扫描时间可短到40 ms以下,每秒可获得多帧图像。由于扫描时间很短,可摄得电影图像,能避免运动所造成的伪影,因此,适用于心血管造影检查以及小儿和急性创伤等不能很好的合作的患者检查。

板条箱英语

282 评论(15)

sherry美享家

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270 评论(12)

dp73239085

-Alex:Hey, little help.嘿,帮帮我。-Man:He's awake! He's awake!他醒了!他醒了!-Alex:Oh, man! Oh my head! Where? What? I'm in the box! Oh no! No no!Not the box! Oh no, they can't transfer me! Not me! I can't breathe. I can't breathe.transfer: 转移 把我关在箱子里!哦,不,他们不能转移我!我!我不能呼吸了,我不能呼吸了。Darkness creeping in. Can't breathe.I can't breathe! Walls closing in around me! so alone,so alone.creep: 爬行黑暗爬进来了,无法呼吸,我不能呼吸了!四周都是墙!如此孤独,如此孤独。-Marty:Alex! Alex are you there?Alex! Alex!你在吗?-Alex:Marty?Marty?-Marty:Yeah! Talk to me, buddy!buddy: 同伴耶!和我说话啊,兄弟!-Alex:Marty! You're here!Marty!你在这儿!-Marty:What's going on? Are you okay?怎么了?你还好吗?-Alex:This doesn't look good, Marty.事情不妙,Marty。-Gloria:Alex? Marty? is That you?Alex?Marty?是你们吗?-Alex:Gloria! You're here too!Gloria!你也在!-Marty:I am loving the sound of your voice!我爱死你的声音了。-Gloria:What is going on?怎么回事?-Alex:We're rolling in crates.roll: 卷 crate: 板条箱我们被关在箱子里了。-Gloria:Oh, no!噢,不!-Melman:Oh, sleeping just knocks me out.哦,睡觉让我累坏了。-Gloria:Melman!Melman!-Alex:is That Melman?是Melman吗?-Gloria:Are you okay?你还好吗?-Melman:Yeah, I'm fine. I often doors off while I'm getting a hemorrhoid.hemorrhoid: 痔疮是的,我很好,我生痔疮的时候经常把门关上的。-Alex:Melman, you're not getting a hemorrhoid.Melman,你没有生痔疮。-Melman:Cat skin?皮肤病?-Alex:No! No cat skin! It's a transfer! It's a zoo transfer!不!也不是皮肤病。我们被转移了!动物园迁移!-Melman:Zoo transfer!Oh, no. I can't be transferred, I have an appointment with doctor Goldberg at 5.appointment: 约会动物园迁移!哦,不要。我不要被转移,我还跟戈德堡医生约了五点看病呢。-Gloria:Melman..Melman。-Melman:My prescriptions have to be filled.prescription: 药方我必须要拿到我的药方。-Gloria:Calm down, Melman.冷静,Melman。-Melman:No other zoo can afford my medical care!其它的动物园是付不起我的医药费的。-Gloria:Melman!Melman!-Melman:And I am Not going HMO.而且我不会做HMO的。-Marty:Easy Melman. It's gotta be okay, we are going to be okayze.放轻松,Melman,会没事,我们会没事的。-Alex:No Marty, we're not gonna be okayze. Now because of you we're ruined!不,Marty,我们不会没事的。好了,因为你,我们都给毁了!-Marty:Because of me? I fail to see how this is my fault.因为我?我怎么看不出来啊。-Gloria:You're kidding, right Marty?你开玩笑吧,Marty?-Alex:You! You kicked off the people! You bit the hand Marty,you bit the hand. I don't know who I am, I don't know who I am. I gotta go find myself in a wild!kick off: 踢开 你!你把人类给耍了!你背叛了他们,Marty,你背叛了。我不知道我是谁,我不知道我是谁。我要去野生世界找回自我!-Marty:Hey!I did not ask you to come after me,did I?嘿!我又没有让你跟着我。我有吗?-Melman:He does have a point.他说的也有道理。-Alex:What?什么?-Melman:I did say we should stay at the zoo, but you guys!我强调过我们应该待在动物园里。但是你们几个!-Alex:Melman, just shut it! You're the one that suggested this, whole idea to happen in the first place.Melman,闭嘴。是你首先想起这个主意的。-Gloria:Alex, leave Melman out of this please.leave out: 省去Alex,不要把Melman卷进来。-Melman:Thank you, Gloria. Besides Alex, it is not my fault that we're transferred!谢谢你,Gloria,另外,Alex,我们被转移并不是我的错!-Gloria:Melman, shut it. Does anybody feel nauseous?nauseous: 令人作呕的Melman闭嘴。有人觉得想恶心吗?-Melman:I feel nauseous.我觉得恶心。-Alex:Melman, you always feel nauseous.Melman,你总是觉得恶心。 [SHIP TO KENYA WILDLIFE, PRESERVE AFRICA.]运往非洲肯尼亚野生动物保护区

207 评论(8)

柠檬草的味道11

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348 评论(8)

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