And yet the children themselves are only an intermittent presence in these pages, entering as a source of strife and disappearing once the conflict over them is resolved.
然而这些战中的孩子只是断断续续的出现在这本书中：当矛盾来临时他们出现了，当争端解决了他们又消失了。
Yet since wind and solar power are intermittent and other technologies are still experimental, a constant source of low-carbon electricity will also be needed.
然而，由于风能和太阳能具有间歇性的特点，并且当前其他技术仍处于试验阶段，所以稳定持续的低碳电力来源急缺。
Now that we have a very intermittent energy source that we want to insert into the grid, we need to rethink how we manage the integration of those resources.
现在，我们希望在电网中加入时断时续的发电设备，所以需要重新考虑管理这些资源的方法。
This text introduced the intermittent movement test result of ground source pump in winter.
本文介绍了土壤源热泵冬季间歇运行工况的试验结果。
It is found the intermittent running is possible to meet the request of indoor environment, and the running time is decided by outdoor temperature and indoor heat source mainly.
发现此类供暖系统采用适当间歇运行即可满足室内热环境要求，运行时间主要受室外温度和内热源变化规律影响。
The wind generation is a random, intermittent and uncontrollable energy source, the large-scale connection of wind farms with power grid has adverse effect on the safety of power system.
风力发电具有随机性、间歇性和不可控性的特点，大规模的风电并网会给电力系统的安全运行造成一定的影响。
The numerical simulation results of the heating room's thermodynamics process shows that it is feasible to adopt the intermittent operation mode in the SHP source heating system.
数值计算结果表明，以太阳能-热泵为热源的地板辐射供暖系统采用间歇运行方式是可行的。
The numerical simulation results of the heating room's thermodynamics process shows that it is feasible to adopt the intermittent operation mode in the SHP source heating system.
数值计算结果表明，以太阳能-热泵为热源的地板辐射供暖系统采用间歇运行方式是可行的。
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