孩子们，每日长难句来啦[努力]
Innovation and research have relied on public participation in science for centuries.It was a musician who discovered the planet Uranus by making his own telescope with mirrors composed of copper and tin.
✨思考题:
1⃣第一句的主干是什么？have relied on是什么时态？主语和宾语分别是谁?
2⃣ 第二句是什么特殊句型？ who引导的从句修饰哪个词？composed of copper and tin是什么成分？修饰哪个名词?
3⃣句子里的in science、for centuries、by making his own telescope 分别是什么成分？