所有的这些都帮助了科学家和生产厂家解决自立式涡轮机与生俱来的问题。
All this has helped scientists and industry to solve the inherent problems of free-standing turbines.
自立式涡轮机最大的缺点是在将水能转换成电能方面，它们没有大坝中的涡轮机的效率高。
The big disadvantage of free-standing turbines is that they are less efficient than turbines in DAMS at turning the kinetic energy of moving water into electricity.
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