| 单词 | acoustical |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔monochord〕An acoustical instrument consisting of a sounding box with one string and a movable bridge, used to study musical tones.测弦器：一种由一个带有一根弦和可移动琴马的共鸣箱组成的不用电传音的乐器，用于细察音调美国传统〔range finder〕Any of various optical, electronic, or acoustical instruments used to determine the distance of an object.测距仪：用来确定某物距离的各种视觉，电子或声觉仪器之一美国传统〔resonator〕A hollow chamber or cavity with dimensions chosen to permit internal resonant oscillation of electromagnetic or acoustical waves of specific frequencies.共振腔：具有容积的空室或空腔，可允许在某一频率下的电磁波或声波产生内部共振振荡美国传统〔white noise〕Acoustical or electrical noise of which the intensity is the same at all frequencies within a given band.白噪音：音响或电力嗓音，在给定波段内所有频率上其强度都一样美国传统 |
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