According to its data, the true value of the yuan in real purchasing-power terms is almost exactly double its official exchange rate.

据它的数据，人民币按实际购买力计算的真实汇率差不多刚好是官方汇率的两倍。

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Reducing the data rate by one-half will double the duration of each symbol interval.

把数据率减少一半，就能使每一符号间隔的持续时间延长一倍。

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The phase diagram of completely mutually soluble double-fluid system needs not only many sets of data, but also map work curve of refract rate-composition, data processing and mapping larger workload.

由于完全互溶双液系平衡相图的绘制需要许多组数据，而且要绘制折光率-组成工作曲线，数据处理和绘图工作量较大。

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Cricket's 4G LTE Android Double Data rate plans offer all the features of the value-rich 3G rate plans and, for a limited time, double the monthly full speed data allowance.

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But so will the addition of one megabyte of level 3 cache, as well as the Double Data Rate SDRAM memory with a 133-MHz system cache standard on all models.

FORBES: Powerbook Gets Faster, Again

Rambus claims Infineon is violating its patents on two kinds of computer memory, known as synchronous dynamic random access memory (SDRAM), and Double-Data Rate DRAM (DDR).

FORBES: Rambus Patent Army Marches On