问题描述：
英语翻译
At present,CFD techniques can only be used to predict mean flowfields around vehicles with any degree of confidence.
要是机器翻译的话就不要回答了！
At present,CFD techniques can only be used to predict mean flowfields around vehicles with any degree of confidence.
要是机器翻译的话就不要回答了！
问题解答：
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