Serials of naphthalin and tripolycyanamide have low water reducing efficiency.

萘系与三聚氰胺系减水率较低。

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Documentation takes time and requires communication, potentially reducing efficiency.

编制文档占用时间，并需要交流，可能降低效率。

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As we get older the digestive system functions with gradually reducing efficiency.

随着我们年龄的逐渐减少效率消化系统的功能。

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The energy to do this usually comes from natural gas, reducing efficiency and increasing greenhouse-gas emissions.

ECONOMIST: Energy storage

Sure, a big hail storm or the like will do a number on your megabucks rooftop installation, but the sun itself, the very thing those cells are designed to capture, gradually damages their internals, reducing efficiency.

ENGADGET: Self-repairing solar cells could also fix our energy dependency

Yet it is a tangled mess, increasingly reliant on regressive taxes, such as the payroll tax, and full of subsidies that benefit rich people while reducing economic efficiency.

ECONOMIST: The Democrats need to posture less and think harder