1. Because the ideal "rigid joint" and "hinged joint" are inexistent, the stiffness of any connection types is between ideal rigid joint and hinged joint. 因为理想的刚节点和铰接点是不存在的，任何连接形式的刚度都是介于理想刚接和完全铰接之间的。
2. In the second chapter, it respectively shows errors of using the wrong words, errors of expression's collocation, and errors of creating inexistent words. 第二章分别从使用错误、搭配不当、生造词语等方面详细分析说明用词错误。
3. Because the idealistic "rigid joint" and "hinged joint" are inexistent, the stiffness of any connection types is between idealistic rigid joint and hinged joint. 因为理想的刚节点和铰接点是不存在的，任何连接形式的刚度都是介于理想刚接和完全铰接之间的。
4. By using Taylor's formula, the article deduces the sufficient condition of the existent extreme value and the necessary condition of the inexistent extreme value of trinary function. 通过利用泰勒公式推导出判断三元函数极值存在的充分条件和极值不存在的必要条件。
5. At the same time, we apply the statistics method to identify the new words that are inexistent in the dictionary and supply them to the dictionary for the later text word segmentation. 同时应用统计方法识别出词典中没有的新词，并将其补充进词典中，用于切分后续文本。
