它概括、清理和转换来自异构数据源的数据，以生成一致的、精确的商业数据。
It profiles, cleanses, and transforms data from heterogeneous data sources to deliver consistent and accurate business data.
具体地说，它不支持对字符串的精确查找，不支持fail - fast，而且该引擎要求我们把byte字符串转换成char或者String。
In particular, there is no support for searching for exact strings and failing fast, and the engine requires us to transform our byte -strings to char or string.
第二种可能性则能应用在更加耗电的设备上。其原理是发射一道精确聚焦的红外激光线，击中光伏电池，由此能够将光束转换回电能。
A second possibility, for more power-hungry devices, is to fire a finely focused infrared laser beam at a photovoltaic cell, which converts the beam back to electrical energy.
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