The added code checks to see if the parameters.xml.done file is not present because if this file is already present, that means that the RDS installation is already done and should not be done again.

增加的代码用于检查 parameters.xml.done 文件是否存在，因为如果这个文件已经存在，意味着 RDS 安装已经完成，不应该再次安装。

youdao

Defense lawyers called just two witnesses, claiming they did not need to present expert testimony because U.S.Supreme Court precedent was on their side.

辩护律师只传唤了两名证人，声称辩方并不需要专家的证词，因为美国最高法院的判例对其有利。

youdao

Defense lawyers called just two witnesses, claiming they did not need to present expert testimony because U.S. Supreme Court precedent was on their side.

辩护律师只传唤了两名证人，声称辩方并不需要专家的证词，因为美国最高法院的判例对其有利。

youdao

because that sarcastic undertone may or may not be present depending on how it's used.

因为话中是否有挖苦的意思，还得看这句型是如何使用的。

Do you ever课堂 - SpeakingMax英语口语达人

It's not as simple as DNA going to RNA going to protein, because proteins need to be present in order to make these things happen as well.

基因表达不是简单的从DNA到RNA,再到蛋白质,因为整个过程需要,不同酶的催化作用

耶鲁公开课 - 生物医学工程探索课程节选

The expectation thus far - among those who considered the point at all - was that independence would require to be enacted by a Westminster statute, not least because the present position is that the constitution is reserved to the UK Parliament under the Scotland Act 1998.

BBC: Giving in to temptation

Mr Pinochet is in his present pickle not because Chile has broken its promise to him but because the general made the mistake of swanning around the world on what turns out to have been the false assumption that the decision of Chile's polity binds the rest of the world's courts.

ECONOMIST: It was right

You still would not have seen them, however, because those stars were not present to accept.

CNN: The Grammy show you don't see