While that is a great tool if you are writing a dissertation, Zotero is a great choice for less extensive research projects - and it's free.
如果你只是写论文,而没有进行大范围的研究,而需要一个好的工具助你一臂之力时候,zotero将是你的上乘之选-而且它是免费的。
This dissertation discusses the theory and realization of the Probabilistic Context Free Grammar-based syntactic parser.
本文论述了基于概率的上下文无关语法的句法分析的原理及实现过程。
If the source is not academic then why they are offering dissertation samples and examples and most importantly why it is free?
如果来源是不是学术那么为什么他们提供的论文样本,最重要的例子,为什么它是免费的吗?
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