Slide rule type bio:rhythm calculator - uses three transparent strips, marked with sinusoids of different periods, to be slid over scale on supportThe calculator is made from three transparent strips on each of which is traced a sinusoidal curve. The three sinusoids having the same amplitude but...
【答案】(1)B.细节理解题。根据第二段Shaanxi kuaiban is a form of Chinese traditional storytelling in the Shaanxi dialect to the rhythm(节奏)of bamboo strips(竹板).陕西快板是一种用用陕西方言以竹条打节奏讲故事的中国传统形式。可知,人们用陕西方言表演陕