copies

基本解释

Herewith we are sending you a written contract under seal in two copies.
兹寄上盖有印章的契约一式两份。
《新英汉大辞典》
To xerox is to make copies of graphic material by a dry photocopying process.
静电复印就是用干燥摄影复制法复制图像材料。
dict.cn
Since the data federation pattern does not create copies of source data, source changes do not have to be propagated or processed in this approach.
由于数据联合模式并不会创建源数据的副本，因此源更改并不一定要采用这种方法进行传播或处理。

More than fifty million copies of Doctor Spock's "Baby and Child Care" book have been sold since it was published.
Some copies of the Septuagint contain some books not included in the Hebrew canon but accepted in the early Christian canon.
有些希腊译本中的经卷不被收录在,希伯来文圣典中却有被早期基督教正经收录。
耶鲁公开课 - 旧约导论课程节选
Perhaps we should airlift copies of Leviathan to them, because that is the issue that Hobbes is fundamentally concerned with.
也许我们可以给他们空投好多份《利维坦》,因为正是这个问题,正是霍布斯关心的基本问题。
耶鲁公开课 - 政治哲学导论课程节选

The problem occurs when some copies of the data arrive more quickly than others.
ENGADGET: blogger-avatar

If you make a copy of something, you produce something that looks like the original thing.
A copy of a book, newspaper, or CD is one of many that are exactly the same. (CD)
If you copy something, you produce something that looks like the original thing.
If you copy, or copy a piece of writing, you write it again exactly.
Copy out means the same as .
If you copy a letter, document, or e-mail to someone, you send them a copy of a letter or document that you have sent to someone else.
If you copy someone's answer, you look at what that person has written and write the same thing yourself, in order to cheat in a test or exam.
If you copy a person or what they do, you try to do what they do or try to be like them, usually because you admire them or what they have done.
&rarrsee also hard copy

拷贝数
The system of detection of cap10 gene by FQ-PCR was stable and accurate with excellent sensitivity （104 copies/μl）,specificity and reproducibility.
3.构建的荧光定量体系稳定、准确,敏感性为104拷贝数/μl,重复性好,特异性好,可以用于cap10基因表达的定量检测。