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retrieval的音标：retrieval的英式发音音标为：[rɪ'tri:vl]retrieval的美式发音音标为：[rɪ'trivəl]...
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Its real purpose is the launching and retrieval of small aeroplanes in flight.它真正的用途是发射和收回飞行中的小型飞机。A modified BIR model was developed for FTP file retrieval.探讨把文档检索中的二值独立检索模型改进后应用于FTP文件检索.an information retrieval system信...
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The ship was buried, beyond retrieval, at the bottom of the sea.船已葬身海底，无法打捞。Its real purpose is the launching and retrieval of small aeroplanes in flight.它真正的用途是发射和收回飞行中的小型飞机。A special retrieval team arrived from Washing...