根据度、分、秒之间的换算关系求解.
33.28°=33°+60′×0.28=33°+16′+60″×0.8=33°16′48″.
108°20′42″=108°+20′+(42÷60)′=108°+(20.7÷60)°=108.345°.
故填:33°16′48″;108.345.
本题考查了度、分、秒之间的换算关系:1°=60′,1′=60″.
根据度、分、秒之间的换算关系求解.
33.28°=33°+60′×0.28=33°+16′+60″×0.8=33°16′48″.
108°20′42″=108°+20′+(42÷60)′=108°+(20.7÷60)°=108.345°.
故填:33°16′48″;108.345.
本题考查了度、分、秒之间的换算关系:1°=60′,1′=60″.