The theoretical base was provided by the model to the maintenance support ability building of self-propelled gun effectively.

该模型可以为自行火炮装备的维修保障能力建设提供理论依据。

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This item taps your ability to get yourself through the tough times by concentrating on what must be done, building your feelings of self-confidence to give you a boost, so a 5 is a positive score.

这一条帮助你发掘自身度过艰难时期的能力，将注意力放在必须做的事情上，通过建立自信带给你动力，所以5分是一个非常积极的分数。

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But building the fuzzy rules is hard, and the ability of self-adapting and self-study are poor in the fuzzy control technology.

但由于模糊控制技术本身存在着建立模糊规则比较困难，自适应能力和自学习能力差等缺点。

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