有迹象表明，多效性植物激素实际上可能通过激活酶来发挥作用，这些酶从细胞壁释放出这些更为特殊的化学信使。

There are indications that pleiotropic plant hormones may actually function by activating the enzymes that release these other, more specific chemical messengers from the cell wall.

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与氨基寡糖素不同，这五种众所周知的植物激素是多效性的，而不是特异性的；也就是说，每一种对植物的生长发育都有不止一种作用。

Unlike the oligosaccharins, the five well-known plant hormones are pleiotropic rather than specific; that is, each has more than one effect on the growth and development of plants.

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到2007年，杜邦公司通过提高能效一年节省22亿美元，和它那年公布的总利润一样多。

By 2007, DuPont was saving $2.2 billion a year through energy efficiency, the same as its total declared profits that year.

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