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DR指在计算机控制下直接进行数字化X线摄影的一种新技术，即采非晶硅平板百探测器把穿透人体的X线信息转化为数字信号，并由计算机重建图像及进行一系列的度
图像后处理。DR系统主要包括X线发生装置、直接转换平板探测问器、系统控制器、影像监示器、影像处理工作站等几部分组成。DR由于采答用数字技术，因此可以
根据临床需要进行各种图像后处理，如图像自动处理技术，边回缘增强清晰技术、放大漫游、图像拼接、兴趣区答窗宽窗位调节以及距离、面积、密度测量等丰富的功
能。
dr有很多种不同的意思，在财务中有借记的意思，在股票中有除息除权的意思，在英文中有医生、博士的意思，在医疗中是数字化直接成像系统的简称，在珠宝中是一个叫Darry Ring的品牌简称。
你说的应该是Darry Ring，简称为DR戒指，是源百自香港那边的一个牌子，现在很火的，因为他家的戒指是要求男士一生只能定制一枚的，而且寓意一生唯一真爱，除去钻戒度的璀璨，这更是一个男人对爱情的承诺，所以很多女生都说结婚的时候一定要DR戒指专，哈哈。我的钻戒是在他家官网属上面定制的，没什么问题，也有鉴定证书，现在全国好像开了好多点了，你可以去官网查查看。
Dr.
Noun 名词 博士; 医生
Dr. 是英文单词Doctor的简写，即其原形为英文单词Doctor。
1.a person who holds Ph.D. degree (or the equivalent) from an academic institution
2.a licensed medical practitioner
例句:
Your mom is dr. stewart? 你是斯图尔特医生的儿子？
Dr. manhattan has two days. 曼哈顿博士已两天。
You remember dr. shepherd? 你还记得shepherd医生?
You mean dr. geller? 你是说盖勒博士？
Who is dr. alex friedman? 谁是弗e5a48de588b67a64364里德曼博士亚历克斯？
Doctor 有多重含义，分别是：
1. N-COUNT; N-TITLE; N-VOC 医生;大夫
A doctor is someone who is qualified in medicine and treats people who are ill.
Do not discontinue the treatment without consulting your doctor...
未经医嘱不要擅自中断治疗。
2. N-COUNT; N-TITLE; N-VOC 牙医;兽医
A dentist or veterinarian can also be calleddoctor .
3. N-COUNT 诊所
The doctor's is used to refer to the surgery or office where a doctor works.语法信息
I have an appointment at the doctors.我在诊所有个预约。
4. N-COUNT; N-TITLE 博士
A doctor is someone who has been awarded the highest academic or honorary degree by a university.
He is a doctor of philosophy. 他是哲学博士。
5. VERB 篡改;伪造
If someone doctors something, they change it in order to deceive people.
They doctored the prints to make her look as awful as possible.
他们修改了照片，尽可能地丑化她的容貌。
doctoring
The doctoring of the document has become a live political issue.
对文件的篡改伪造已成为当下让人关注的政治问题。
6. VERB (将毒药、麻药等)掺入(食物或饮料中)
If someone doctors food or drink, they add a poison or drug to it.
She had no doubt that it was he who had doctored her milk.
她毫不怀疑是他在她的牛奶里下了药。