To mneuver a drone up, down, sideways or forward require three main communication links. Please match the name of the syntactic feature with the sentence.
【简答题】某难溶电解质 A 3 B 2 在水中的溶解度 s = 1.0 × 10 -6 mol·dm -3 ,则在其饱和水溶液中 c (A 2+ )=____ __ ____ , c (B 3- ) = _____ ____ , K sp ө (A 3 B 2 ) = _______ ___ 。 ( 设 A 3 B 2 溶解后完全离解,且无副反应发生 )