StringBuilder; one is immutable and changes to it cause the creation of a new copy, the other allows for in-place modification.
一个是不可变的，当需要修改的时候它会创建一个新的副本，而另一个则允许直接在其上进行修改。
You may notice that the creation of this test required only a simple copy and modification of the previous test.
您可能注意到，创建的此测试只是简单地复制并修改了一下先前的测试。
The XSLT mediation used by this application is a slight modification to the mediation provided in the previous article, which performed the XSLT on a copy of the message.
该应用程序中使用的XSLT中介对前面的文章中提供的中介（在消息的副本上执行 XSLT）稍微进行了一些改进。
It can realize not only the data manipulating functions such as browsing, query, copy, output, adding, deletion, modification and renewing, but also spatiotemporal analysis.
系统具备了对数据的浏览、查询、复制、输出以及增加、删减、修改、更新等功能，还能对数据进行时空分析。
A copy made in an otherwise Transparent file format whose markup, or absence of markup, has been arranged to thwart or discourage subsequent modification by readers is not Transparent.
一份以透明以外的档案格式所构成的拷贝，其标记或缺少标记，若是被安排成用来挫折或是打消读者进行其后续的修改，则此拷贝并非透明。
When a struct is assigned to a new variable, all the data is copied, and any modification to the new copy does not change the data for the original copy.
当指派结构给新变数时，就会复制所有资料，而新变数所做的任何修改都不会变更原始复本的资料。
YES, that's all very well but data changed by non-logged operation (such as LOAD without COPY YES) and LOB modification (if you turn off logging for LOB) would be lost.
如果是这样的话，是不是就不用天天备份了？只要日志没丢，数据就不会丢？
YES, that's all very well but data changed by non-logged operation (such as LOAD without COPY YES) and LOB modification (if you turn off logging for LOB) would be lost.
如果是这样的话，是不是就不用天天备份了？只要日志没丢，数据就不会丢？
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