angle e of repose休止角;安息角
natural angle of repose静止角;天然休止角;自然休止角
dynamical angle of repose动态休止角
near angle of repose[机] 近休止角
angle of natural repose自然休止角
aerated angle of repose充气休止角
the angle of repose内休止角
angle of static repose静安息角
nature angle of repose自然坡角;天然休止角
N（名词） the maximum angle to the horizontal at which rocks, soil, etc, will remain without sliding 休止角