There is provided a space heating system (100) that includes a heat pump (105), a supplemental gas heating system (110), and a controller (115) connected to the heating system (100).

提供了空间加热系统(100)，其包括热泵(105)、辅助气体加热系统(110)以及连接到加热系统(100)上的控制器(115)。

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The system, which launched in June 2007, now fulfills some 90 percent of each home's space heating needs, with any slack taken up by fossil fuels.

整个系统开始于2007年6月，现在可以满足每个住户热能需求的90%，不足部分用化石燃料作辅助。

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Further, through the phase space reconstruction of relating time series and fractal analysis, discussion to nonlinear evolution of the system with varying heating power is delivered.

通过对系统相关时序的相空间重构与分维分析，探讨了系统随加热功率变化的非线性演化规律。

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The couple did extensive renovations on the space, resulting in a new kitchen, baseboard cast-iron heating system and an oversize spa tub in the master bathroom.

WSJ: Room for Love and Laughter