但是作者提到这个完全可以通过系统的内部结合来解决，将不同能源的优势结合起来协同运作。

But the authors say that can be largely addressed through interconnection of the system and by taking advantage of how the different renewables can work together.

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其次，木星的巨大质量阻止了大多数与太阳结合的彗星穿透太阳系内部。

Second, Jupiter's enormous mass prevents most Sun-bound comets from penetrating the inner solar system.

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公共政策决定和企业策划相结合，而这导致了无数便捷高效的城市有轨电车和城市内部的铁路系统被拆除。

A combination of public policy decisions and corporate scheming saw to it that countless convenient and efficient urban streetcar and intra-city rail systems were dismantled.

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Many steroid hormones act because they bind to cellulars - to receptors that are deep within the cell, often inside the nucleus.

许多类固醇激素能够起效是因为,其与存在于细胞内部的受体相结合,这类受体通常在细胞核内

耶鲁公开课 - 生物医学工程探索课程节选

When estrogen is present it can enter cells in the vicinity and it can bind to receptors that are deep inside cells.

雌激素能够进入到邻近的细胞中,并能够与细胞内部的受体相结合

耶鲁公开课 - 生物医学工程探索课程节选

Now, one of the advantages of having second messengers is this is one way that you can integrate between different receptor systems that are acting inside a cell.

使用第二信使分子的好处在于,它能够将,作用于细胞内部不同的,受体系统结合起来

耶鲁公开课 - 生物医学工程探索课程节选