他还需要了解提供类似客户价值的竞争技术，以及有可能共同使用的协作性技术。
He also needs to understand the competing technologies that serve similar customer values, and the collaborating technologies that are likely to be used together.
人文学科中的描写性写作，特别在文学中，经常与评论式写作共同使用。
Descriptive writing in humanity, particularly in literature is often mixed with critical writing.
将对称密码算法和非对称密码算法共同使用，增强了应用系统的安全性。
Using the symmetric algorithms and the asymmetric algorithms together security performance of the application system is improved.
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