• The region in which each particle can move in its vibrational motion is restricted.
• φ increases when moving in the direction from upstream toward P .
• The region in which each particle can move in its vibrational motion is restricted.
• φ increases when moving in the direction from upstream toward P .
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012