同时期
同时代
the quality of being current or of the present
同义词： modernity / modernness / modernism / contemporaneity
the quality of belonging to the same period of time
同义词： contemporaneity
同时代 coevality; contemporaneity; contemporaneousness; contemporary; cotemporaneity; cotemporary
... 同时沉淀 = coprecipitate 同时期 = contemporaneousness 同时性 = synchronicities ...