см. тж. и выше
• Ultrasonic waves with frequencies of a billion hertz and up ( or over , or more ) are capable of travelling several centimetres through a solid medium.
см. тж. и выше
• Ultrasonic waves with frequencies of a billion hertz and up ( or over , or more ) are capable of travelling several centimetres through a solid medium.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012