我國(guó)科學(xué)家成功制備白光鈣鈦礦發(fā)光二極管

array(1) { [430426]=> array(2) { [2]=> array(4) { [0]=> string(15) "發(fā)光二極管" [1]=> string(3) "LED" [2]=> string(15) "光學(xué)光電子" [3]=> string(9) "鈣鈦礦" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }