It also focuses on the two key elements which influenced the emergence of the classic Hollywood studio system: the advent of sound and the business ideal of vertical integration.

它还关注了经典好莱坞工作室系统出现的两个关键影响因素：声音的出现和纵向一体化的商业理念。

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Choices for output: Display, sound, print, and user interface elements to make visual indications for sound.

输出方式可选择：显示、声音、打印，以及将图像提示转换成声音的用户界面元素。

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The units at the base of each speaker vibrate, and these vibrations are then transmitted through the various glass elements above, each of which produces different frequencies of sound.

当每个音响单元的底座开始振动，上面各式的玻璃元件就会把这些振动传送，而在这个过程中每个元件就会产生不同频率的声音。

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The sound of sense." It represents common and vernacular elements of speech.

理性的声音“，代表着普遍,和方言的特点。

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