Those parameters often include sound volume, graphic options, multiplayer options, difficulty and starting level.
这些参数通常包含音量调节 、 图像调节 、 多人游戏设置 、 难度以及开始关卡.
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The exhibitors must strictly observe the exhibition regulations as well as the sound volume control.
所有参展厂商必须严格遵守各项展览规则以及各厅的音量控制规定.
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