Walked in the Dinghu Natural protection area, observing the semi-tropical plants, especially the complex root of trees.

在鼎湖山自然保护区的原始地带徒步前进，沿途观察亚热带的植物，尤其是树木间错综复杂的根系。

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Furthermore, it expanded the scope of its application, drew up fractal graph with more higher number times and more complex root value, added the thought of escape time.

在此基础上加入逃逸时间算法的思想，绘制出了次数更高、根值更加复杂的分形图形，进一步扩展了它的使用范围。

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CONCLUSION: The tooth pulp diseases could be accurately diagnosed by applying helical CT and its 3D reconstrution methods, which could improve the diagnosis and treatment of complex root canal.

结论：应用螺旋CT及其三维成像技术，可对复杂的矸髓系统病变进行准确诊断，有效提高临床医生对复杂髓腔系统病变的诊断和治疗。

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The root of the problem is a much more complex market failure: private investors and scientists doubt that malaria research will be rewarded financially.

ECONOMIST: BY INVITATION: Helping the world’s poorest | The

It is widely agreed that the root and cause of honour killing is a complex, historical phenomenon which has no justification in Islam's holy book, the Koran, and which has also been known to occur elsewhere in the world and among other religions.

BBC: Jordan's dilemma over 'honour killings'