free fall

听听怎么读
英 [fri: fɔ:l]
美 [fri fɔl]
是什么意思
  • n.

    自由降落(尤指降落伞张开前的降落),(尤指火箭等的)惯性运动;

  • 变形

    复数:free falls

    英英释义

    free fall

    • n.
      • the ideal falling motion of something subject only to a gravitational field
      • a sudden sharp decrease in some quantity

        同义词:dropdipfall

    学习怎么用

    双语例句

    1. For large, extended chords thrust is preferable to free fall.
      用推力动作弹奏伸展的大和弦优于自由下落动作。
    2. It was observed that, with a wider orifice, kinematic arching effect vanishes and even free gravity-fall arises.
      在大出口情况,结拱不易形成,并出现颗粒自由下落现象。

    权威例句

    FREEFALL
    Freefall
    Freefall
    Dynamics of Self-Gravitating Gaseous Spheres—III: Analytical Results in the Free-fall of Isothermal Cases
    Rapid high-temperature pyrolysis of biomass in a free-fall reactor
    Free fall detector device and free fall detection method
    A New Free-Fall Profiler for Measuring Biophysical Microstructure
    Erratum: New tests of the universality of free fall
    Republication of: The geometry of free fall and light propagation
    Morphological characterization of carbonaceous aggregates in soot and free fall aerosol samples
    High pressure hydropyrolysis of coals by using a continuous free-fall reactor ☆ ☆
    Augmentation by 4-aminopyridine of vestibulospinal free fall responses in chronic spinal-injured cats.
    Free-Fall Behavior of Planar Snow Crystals, Conical Graupel and Small Hail.
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