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词汇 infrasonic
释义 in·fra·son·ic 英ˌɪnfrəˈsɒnɪk美ˌɪnfrəˈsɑnɪkAHDĭn'frə-sŏnʹĭk SCOCA¹⁵¹⁹³⁴BNC⁹¹⁵¹⁷⁺iWeb⁵⁴⁰⁹⁶
基本英英搭配记法例句
adj.亚音频的⁵⁰亚声的;声下的⁵⁰
声学

Adjective:
having frequencies below those of audible soundinfrasonic frequency次声频,亚声频…infrasonic weapon次声武器infrasonic generator次声发生器infrasonic wave化 次声波infrasonic receiver次声接收器
钱博士infr低,在下面+a连接字母+son声音+ic形容词后缀→声波频率较低的⇒次声的
词根infr-/infer-低,在下面来自拉丁语。它和日耳曼单词under低于,在下面最终都源自原始印欧语词根*ndher-低于,在下面。词根son-声音来自拉丁语,常见单词sound声音就来源于此。
infr低,在下面+a连接字母+son声音+ic形容词后缀→声波频率较低的⇒次声的。 The primary results show that the ultra low- frequency pulses may produce in the process of nucleation of micro- cracks and faults, and transmit to the air as infrasonic sound.
初步结果表明,微破裂的集结和断层的破裂起始会出现超低频脉冲,并透射到空气中形成次声波。 dictall

For instance, the shell explodes when produces the sound wave could not hear outside several kilometers, but it produces the infrasonic wave, actually may pass to outside80 kilometers.
比如,炮弹爆炸时产生的声波在几千米以外就听不见了,但它所产生的次声波,却可传到80千米以外。 qdcs5

Widely has the infrasonic wave in the nature and the human activity, the marine storm, volcano W send, the tornado, magnetism to climb, the aurora and so on natural phenomenon.
在自然界和人类活动中广泛存在着次声波,海上风暴、火山 W发、龙卷风、磁攀、极光等自然现象。 qdcs5
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