convergence
/kənˈvɜːdʒəns/(亦作 convergency)
noun
mass noun
1- the process or state of converging汇集; 相交：
the convergence of lines in the distance
线条在远处的相交。
1.1
- Biology the tendency of unrelated animals and plants to evolve superficially similar characteristics under similar environmental conditions【生】趋同进化。
1.2
- （亦作 convergence zone）a location where airflows or ocean currents meet, characteristically marked by upwelling (of air) or downwelling (of water)会聚区。