他们出版参考书。
He works for a company that publishes reference books.
他在一家工具书出版公司工作。
No reference books are to be taken out of the reading room without permission.
本阅览室参考书不得私自携出。
Formal language is the kind of language you find in textbooks, reference books and in business letters.
正式语体是你在教科书、参考书和商务信函中看到的用语。
These reference books are necessary to us.
这些参考书是我们所必需的。
The library contains a large number of foreign language reference books.
图书馆有大量的外文参考书。
Whose are these reference books?
这些参考书是谁的？
What he wants are reference books on economy.
他所需要的是经济方面的参考书。
We also train them to make use of reference books.
我们还培养他们使用参考书。
He burrowed into reference books for research data.
他查阅[钻研]参考书籍寻求研究资料。
I will lend you what few reference books I can spare.
我愿把我虽然为数不多的参考书全部借给你。
Therefore, we should make use of reference books properly.
因此，我们应该正确使用参考书。
They must have some training in the use of reference books.
应当对他们在使用参考书方面进行些训练。
We can make free use of the reference books in our library.
我们可以自由使用图书馆的参考书。
We can make free use of the reference books in our library.
图书馆允许我们自由使用参考书。
First, think about the question before you use reference books.
首先，在使用参考书之前先思考问题。
He has several such reference books as dictionaries and handbooks.
他有几本像字典、手册之类的参考书。
Third, learn something new from reference books and mend your way of thinking.
第三，从参考书中学习新的知识，改进思维方式。
In addition, do not rely on reference books too much so that you can think freely.
此外，不要过多地依赖参考书，这样你才可以自由思考。
It was to harbor drawers brimming with reference books, microfilm and bibliographic CARDS.
操作台的抽屉里塞满了参考书、缩微胶片和各种书目卡片。
Then find out the difference between your answer and the answer given by reference books.
然后找出你的答案和参考书中给出的答案之间的差异。
That certainly would include writing materials, computer or typewriter, reference books or materials.
这其中当然包括了书写材料，计算机或者打字机，参考书或参考资料。
The quality of reference books should draw the dual attention from both linguistic and legal circles.
语言工具书的质量应当引起语言学和法学的双重关注。
So that just leaves reference books - and yeah, you're starting to see more and more of those in online versions, too.
现在就剩下参考书——而且对啊，你开始看到越来越多的参考书也有网络版本了。
"A couple of other books are also worthy of mention, " added the professor after giving us a long list of reference books.
“还有其他一两本书也值得一提，”教授给我们列了一个长长的参考书目后补充说。
"Show them a variety of ways to find answers to questions: search engines, encyclopedias, specialized reference books at the library."
给他们展示多种寻找答案的方法，比如：搜索引擎，百科全书，图书馆里特别的参考文献。
"Show them a variety of ways to find answers to questions: search engines, encyclopedias, specialized reference books at the library."
给他们展示多种寻找答案的方法，比如：搜索引擎，百科全书，图书馆里特别的参考文献。
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