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.
剩女们学历高，薪水高，又自立，还被称为“3s女人”：single(单身)，seventies(70后)and stuck(被婚姻卡住了)。
They are well-educated, well-paid and independent. They are also referred to as "3s women:" single, seventies (most were born in the 70s) and stuck.
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