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.

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。

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The big disadvantage of free-standing turbines is that they are less efficient in transforming the mechanical energy of water into electrical energy than turbines in dams are.

独立式涡轮的最大缺点是他们将机械能转化为电能的效率低于大坝内安装的涡轮。

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The bank species was thought to resemble the muskrat in behavior, living in burrows or lodges and unable to build dams.

这种生活在岸边的物种被认为在行为上与麝鼠相似，生活在洞穴或小屋中，因此不能建造水坝。

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South Korea says it is accelerating a project to build its own dams near the North Korean border to prevent surprise floods like this in the future.

VOA: standard.2009.09.07

Some assert that the placement of several North Korean dams so close to the South's border shows that Pyongyang built them with such acts of sabotage in mind.

VOA: standard.2009.09.09

Throughout the 20th century, the federal government invested in dams, transportation infrastructure and military installations that facilitated economic expansion and the emergence of new private industries.

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Infrastructure investments could include bridge and highway construction and repair, new commuter and high-speed rail lines, upgrading communications systems, renovating or building new schools, community colleges and state-of-the art job training facilities, investing in dams, waterways and water treatment facilities, reclaiming key wetlands, and improving the basic livability of impoverished neighborhoods.

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On 16 May 1943, 617 Squadron flew in to attack dams in the industrial region of Germany using bouncing bombs, as part of Operation Chastise.

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