working copy

基本解释

In this example, - refers to revision 3, and + refers to the working copy.
在这个示例中，- 指的是修订 3，而 + 指的是工作副本。
When done, the component code calls the save method passing the working copy.
当完成时，组件代码调用保存方法，并向其传递工作副本。
The caller fetches the current state of the item from the repository and creates an in-memory working copy based on the state retrieved.
调用者从存储库中获取该项的当前状态，并基于检索到的状态创建一个内存中的工作副本。

He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.
他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。
麻省理工公开课 - 媒体、教育、市场课程节选
Otherwise, we don't have enough seats, or we don't have enough test papers and so on. By the way, on the tests, you will be getting tomorrow these handouts that you can use in working the homeworks , so when you are taking the test, you are allowed to bring in the copy of the periodic table of the elements.
否则，我们就没有足够的座位，或者没有足够的考试卷子,顺便说一下，在测试当中，你们明天会拿到这些讲义,就可以用来做作业了,当你们在做测试时，你们可以带来,元素周期表。
麻省理工公开课 - 固态化学导论课程节选

The idea of treating disease by replacing a defective gene with a working copy gained credence in 1990 with the success of the world's first gene therapy clinical tests against a rare condition called severe combined immunodeficiency (SCID).
MSN: European regulators back first gene therapy drug
The copy belongs to Pomona, California resident Harv Bennet, who was working in a drug store that also sold games in the early eighties.
FORBES: Watch Someone Find a Rare Video Game That Could be Worth $30,000