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If further ( ) ,this invention could be used to make powerfu

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If further ( ) ,this invention could be used to make powerful microchips for computers
If further ( ) ,this invention could be used to make powerful microchips for computers.
A be developed B to be developed C developing Ddeveloped
句子意思理由
D
develop(开发)与invention(发明物)之间是被动关系 所以用过去分词
if further developed相当于if (it/this invention) is) further developed