在插件描述符中定义扩展点，这确定出您将扩展的转换，以及转换中您想要处理的点。

Define the extension point in the plug-in descriptor, which identifies the transformation that you are extending and the point within it that you want to make a contribution.

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例如，下列命令创建了数据库“spaindb”，使用代码集1252和地域ID 34，这确定了Windows平台上用于西班牙语的代码页。

For example, the following command creates the database "spaindb" with code set 1252 and territory ID 34 which determine the code pages for Spanish on the Windows platform.

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“你确定这筏子安全吗？”她不安地问。“再安全不过了，”马克斯自信地向她保证。

"Are you sure the raft is safe?" she asked anxiously. "Couldn't be safer," Max assured her confidently.

《柯林斯英汉双解大词典》

I'm not at all sure there's anything more to be said about that passage, which I think lays it to rest.

我不确定这篇文章是不是,还要更多的讲解，就这样的吧。

耶鲁公开课 - 文学理论导论课程节选

You can't take the exam unless you're registered for the class, and we need to make sure we can verify that.

否则你是不能参加这次考试的,除非你注册了这门课，而我们需要确定你能证实这一点。

麻省理工公开课 - 化学原理课程节选

You find it in datable places and that's why we can give this some kind of date, such as in Egypt.

你会发现它属于一个可确定年代的地区,这正是可甄别此文明所属年代的原因,例如在埃及

耶鲁公开课 - 古希腊历史简介课程节选