做任何事都要遵循客观规律。
科学训练就是要遵循客观规律，合理地运用训练方法和手段。
Scientific training is to follow objective laws with reasonable training methods and means.
扬琴流派的演变过程，从单一化向多元化进行，遵循着历史的继承性和发展性、稳定性和变异性的客观规律。
During the evolution of styles, especially the usage from single to pluralism, it followed historical continuity and development, stability and variability, which are objective law.
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