与这些同类产品相比，本系统有以下几点优势：首先，大部份同类产品不是真正地对文件内容监控，因为他们解决不了效率问题。其次，同时支持多种操作系统平台的产品只有本系统。
Compared with these products, the system has the following advantages: First of all, for most similar products can't solve the problem of efficiency, they were not actually monitoring the documents.
本文的主要研究工作有以下几点：通过对GIS - T数据和时空数据模型的分析，探讨现有的GIS - T时空数据模型所存在的问题。
The main contributions of this thesis are as follows: After analyzing GIS-T data and spatiotemporal data model, some problems of some existing spatiotemporal data model have been gotten.
主要的争议问题有以下几点：一、凉茶长期应用是不是会有毒性，目前尚没有充分的证据。
The main contentious issues include the following: First, there is insufficient toxicity evidence in long-term application of herbal;
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