【生活】通过冲击、加压使之变平【生活】碾压展平

flattening

flattening

flattening test of metal【材】

flattening factor for the earth【天】;oblateness of the earth【天】

smoothing (flattening)

dynamical flattening【天】;dynamical oblateness【天】

polar flattening【天】;polar oblateness【天】

flattening of affect