求翻译：信息检索就是在浩瀚的知识海洋中，有的放矢，查找所需要的有价值或能够帮助解决问题的知识，即是从众多信息中查询并获取所需要资料信息的过程和方法是什么意思？

Information retrieval is the knowledge in the vast ocean, targeted, find the value or that need to be able to help solve the problem of knowledge, that is, from a query and obtain the required information in the information process and methods

Information retrieval is that in the vast ocean of knowledge, be well-targeted to find the need to be able to help solve the value or the knowledge, that is, from the numerous information enquiries and to obtain information about the required information the process and method

The information retrieval is in the vast knowledge sea, with a clear goal, searches has the value which needs or can help to solve the question knowledge, is inquires from the multitudinous informations and gains needs the material information the process and the method

Information retrieval is the knowledge in the vast ocean, targeted, find the value or that need to be able to help solve the problem of knowledge, that is, from a query and obtain the required information in the information process and methods

Information retrieval is the knowledge in the vast ocean, targeted, find the value or that need to be able to help solve the problem of knowledge, that is, from a query and obtain the required information in the information process and methods