The once-through boiler of large capacity and high parameters is a very complex unit to be controlled.

大容量高参数的直流锅炉单元机组是一个十分复杂的调节对象。

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The types and design principles of once-through boiler startup system and steam turbine by-pass system are expounded.

阐述了直流锅炉启动系统与汽轮机旁路系统的型式及设计原则。

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Since once-through boiler has only a small heat storage capacity, its primary frequency regulation capability is limited.

直流炉由于蓄热能力小，使其一次调频能力受到限制。

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Once he follows through on constitutional changes approved by the referendum, he will be allowed to run for another three-year term and run again after that if he likes.

VOA: standard.2009.08.14

It takes an int; deal with it when you get to it and then once you look through the whole file, should you find -- ultimately find the actual code that defines or impliments this thing.

它携带一个int数，当你获得了它就处理它,然后一旦你查看整个文件，最终你将发现实际代码中,定义或执行了这个东西。

哈佛公开课 - 计算机科学课程节选

Geever says for years groups like his have tried to shut down the power plant because its so-called once-through cooling system kills tons of marine life.

NPR: California Town Votes on Huge Desalinization Plant

Mr. JOE GEEVER (Spokesman, Surfrider Foundation): We're concerned about, you know, one that the desal may extend the life of these once-through cooling systems or, in the short term, exacerbate how much marine life mortality is going on right now.

NPR: California Town Votes on Huge Desalinization Plant

But when it comes to policies, there are some real differences out there - once you cut through the key bullet points which look very similar from candidate to candidate.

BBC: Will you vote for the police and crime commissioners?