人体平衡，姿势和演示，强调线条粗细和照明技法。
He discusses balance, posture and presentation, emphasizing line weight and lighting.
弹挑技法包括准备阶段：即演奏者以正确、自然、大方的姿势为演奏做好准备。
The method includes three steps: first, preparation required that freshmen have a correct and natural attitude and good habit;
弹挑技法包括准备阶段：即演奏者以正确、自然、大方的姿势为演奏做好准备。
The method includes three steps: first, preparation required that freshmen have a correct and natural attitude and good habit;
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