With this new impetus, engineers and start-up companies have jumped at the challenge, and while beamed power is still in its infancy, three viable options seem to be emerging.
有了新的动力，众工程师和创业公司跃跃欲试，纷纷加入挑战。目前光束电力仍然处于起步阶段，有可能出现三种技术选择。
You can't help but start moving when you hear this song. If you're looking for a challenge, try keeping up with it -- it's incredibly fast!
当你听到这首歌的时候，你不由自主的开始移到。如果你在寻找挑战，尝试跟着它的节奏--它不可思议的快！
Telegraph lines presented a similar economic challenge-high start-up capital and low marginal operating costs.
电报线路提供了类似的经济挑战——很高的启动资本和很低的边际运营成本。
Several start-up companies around the world, like Hakia, Cognition Search, and Lexxe, have taken on this challenge.
世界各地的一些创业公司，如Hakia、CognitionSearch和Lexxe，已经担负起了这一挑战。
Several start-up companies around the world, like Hakia, Cognition Search, and Lexxe, have taken on this challenge.
世界各地的一些创业公司，如Hakia、CognitionSearch和Lexxe，已经担负起了这一挑战。
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