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Traffic operations noise is affected significantly by vehicle speeds, since sound energy roughly doubles for each increment of ten miles an hour in vehicle velocity; an exception to this rule occurs at very low speeds where braking and acceleration noise dominate over aerodynamic noise.

INTO JAPANESE

車速が時速 10 マイル増加するごとに音エネルギーが約 2 倍になるため、交通騒音は車速に大きく影響されます。この規則の例外は、制動ノイズと加速ノイズが空力ノイズよりも支配的な非常に低速な場合に発生します。

BACK INTO ENGLISH

Traffic noise is strongly influenced by vehicle speed, as sound energy approximately doubles for every 10 mph increase in vehicle speed. An exception to this rule occurs at very low speeds where braking and acceleration noise dominates aerodynamic noise.

INTO JAPANESE

車速が 16 マイル増加するごとに音エネルギーが約 2 倍になるため、交通騒音は車速に大きく影響されます。この規則の例外は、ブレーキと加速の騒音が空力騒音よりも支配的な非常に低速の場合に発生します。

BACK INTO ENGLISH

Traffic noise is greatly affected by vehicle speed, as sound energy approximately doubles for every 10 mph increase in vehicle speed. An exception to this rule occurs at very low speeds where braking and acceleration noise dominates aerodynamic noise.

INTO JAPANESE

車速が 16 マイル増加するごとに音エネルギーが約 2 倍になるため、交通騒音は車速に大きく影響されます。この規則の例外は、ブレーキと加速の騒音が空力騒音よりも支配的な非常に低速の場合に発生します。

BACK INTO ENGLISH

Traffic noise is greatly affected by vehicle speed, as sound energy approximately doubles for every 10 mph increase in vehicle speed. An exception to this rule occurs at very low speeds where braking and acceleration noise dominates aerodynamic noise.