20赫茲的意思、翻譯和例句

是什麼意思

「20赫茲」是指每秒鐘發生20次的頻率,赫茲(Hz)是頻率的單位,表示每秒的週期數。這個頻率通常用於聲音、電磁波等領域。在音頻領域,20赫茲是人耳可聽範圍的下限,低於這個頻率的聲音通常被認為是次聲波,人耳無法聽到。

依照不同程度的英文解釋

  1. A measure of how many times something happens in one second.
  2. How often something occurs, measured in cycles per second.
  3. A unit that tells you how many times something repeats every second.
  4. A unit for measuring frequency, indicating events per second.
  5. A specific frequency that indicates 20 cycles or events in one second.
  6. A frequency measurement that signifies 20 occurrences in one second.
  7. A frequency level often associated with low-pitched sounds.
  8. A specific frequency that falls within the lower range of human hearing.
  9. A frequency indicating the occurrence of 20 cycles per second, significant in sound and wave phenomena.
  10. A low frequency that represents 20 cycles per second, often related to sound waves.

相關英文單字或片語的差別與用法

1:20 Hertz

用法:

赫茲是一個國際標準單位,用來表示頻率,通常用於描述聲音、電波或其他週期性現象。在音響和音樂中,20赫茲的頻率代表著非常低的音調,通常位於人耳聽覺的下限,這使得它在音響設計和測試中具有重要意義。

例句及翻譯:

例句 1:

這個音響系統能夠產生低至20赫茲的音頻。

This sound system can produce audio frequencies as low as 20 Hertz.

例句 2:

20赫茲的聲音通常無法被人耳聽到。

Sounds at 20 Hertz are generally inaudible to the human ear.

例句 3:

在測試低頻揚聲器時,20赫茲是一個重要的參考頻率。

20 Hertz is an important reference frequency when testing subwoofers.

2:20 Hz

用法:

這是赫茲的縮寫,表示每秒20次的頻率。在科學和工程領域,這個單位被廣泛使用來描述聲波、電波等現象的頻率。特別是在音響領域,20 Hz通常被用來測試音響設備的低頻響應。

例句及翻譯:

例句 1:

這款耳機的頻率範圍從20 Hz到20 kHz。

This headphone has a frequency range from 20 Hz to 20 kHz.

例句 2:

在這個頻率下,聲音的感知會受到影響。

At this frequency, the perception of sound can be affected.

例句 3:

20 Hz的測試信號用於檢查揚聲器的性能。

The 20 Hz test signal is used to check the performance of the speakers.