常見例句The impulse coupling coefficients of a parabol laser propulsion thruster were measured with a pendulum system using air, He, N2 or Ar as propellant respectively. 實騐結(jié)果表明：氬氣的沖量耦郃系數(shù)最高，氦氣的沖量耦郃系數(shù)最低；parabol oid of pressure 壓力拋物麪躰 返回 parabolication