Professor Zhang Qiyu has made remarkable achievements in naturallanguagesearching and information retrieval language research.
张琪玉教授在自然语言检索和情报检索语言研究方面成就卓著 ；
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This paper analyses the shortcomings of the naturallanguagesearching and the irreplaceable position and function of subject searching under the circumstances of network.
论文分析了自然语言检索的弊端和主题检索在网络环境下的地位和作用。
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You may prepare for your answers. But in order to look natural and show that your speech is spontaneous, you may have some hesitation while searching for language.