• The time it takes for a given volume of the gas to be driven through ...
• The time a ray takes to propagate distance z ...
• The time it takes for a given volume of the gas to be driven through ...
• The time a ray takes to propagate distance z ...
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012