n.the quality of happening with headlong haste or without warning
同义词：abruptnessprecipitatenessprecipitousnessprecipitanceprecipitancy
SUDDENNESS
The suddenness of insight.
Suddenness on the Moment of Aesthetic Appearance
On the origin and suddenness of absences in genetic absence models.
Factors related to suddenness of coronary death: Combined Albany-Framingham studies
Factors related to suddenness of death from coronary disease: combined Albany-Framingham studies
Family Perceptions of Prognosis, Silence, and the “Suddenness” of Death
Polarization of cis-trans photoisomerization funnels, size and suddenness
Appraisal process in sheep (Ovis aries): Interactive effect of suddenness and unfamiliarity on cardiac and behavioral responses.
How sudden is a compelling desire to void? An observational cystometric study on the suddenness of this sensation
