oscillating movement,reciprocating movement /SCIENCE,ENG-MECHANICAL/
[DE] oszillierende Bewegung
[EN] oscillating movement; reciprocating movement
[FR] mouvement alternatif; mouvement oscillant
reciprocating motion,reciprocating movement,to-and-fro movement /SCIENCE/
[DE] hin- und hergehende Bewegung
[EN] reciprocating motion; reciprocating movement; to-and-fro movement
[FR] mouvement alternatif; mouvement de va-et-vient