浮力驱动式航行器螺旋线运动模式的探索与实现，扩大了浮力驱动式水下航行器的应用范围，不仅可作远航程用途使用，而且可作定区域用途使用。
The exploration and implementation of underwater vehicle's spiral motion create broader application scope for underwater vehicle, not only for long range voyage, but also for restricted region motion.
2011年，空间探索技术公司将实现首架私人研制的航天器与空间站的对接。
In 2011 SpaceX will dock the first privately developed spacecraft with the space station.
通过对税收收入问题的研究与实现，从中探索了一些可行的方法，这为税收预测问题提出了一个新的视角。
Through the research and realization about the problem of revenue, the thesis explores some methods which can be feasible. So it brings forward a new angle of view.
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