incompletely       
adverb uk/ˌɪn.kəmˈpliːt.li/ us/ˌɪn.kəmˈpliːt.li/
 不完全地,未完全地
in a way that does not have some parts or is not finished
  The writing had been incompletely erased. 字迹未完全擦除。 
 The chemical properties of coal are still incompletely understood. 煤的化学性质仍不完全清楚。 
 See: incomplete
 - More examples
 - Thousands of results were inaccurately or incompletely recorded.
 - Many personnel were either incompletely trained or untrained for wartime missions.
 - Almost everything we know we know incompletely at best.