is the direct conversion of solar into electrical energy has been demonstrated.
is the direct conversion of solar into electrical energy has been demonstrated.
A.new energy
B.nuclear energy
C.Hydrogen fuel cell
D.solar cell
正确答案:solar cell
is the direct conversion of solar into electrical energy has been demonstrated.
A.new energy
B.nuclear energy
C.Hydrogen fuel cell
D.solar cell
正确答案:solar cell
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