将大型汽轮发电机系统作为一类复杂开放系统，基于非线性科学分析了该系统的动力学特性，论述了该系统轴系扭振的原因及其本质。
The causes and essence of the torsional oscillation of large turbogenerator which consider as a kind of complex open system was investigated by using nonlinear science theory.
通过对赛艇运动项目决定成绩的因素，如供能系统、专项素质、生理特性的分析，确定了赛艇运动的特性及规律，并据此特性科学地提出了该项目的训练指导思。
By analysing the key factors of boating performance such as energy supply etc, this essay probes into the characteristics and rules, it also puts forward scientific training guide thought.
核工程项目的可行性研究和经济分析是一门新兴的综合性科学。
Nuclear project feasibility study and economic analyses is a brand new comprehensive subject.
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