In India, for example, many rural inhabitants have no access to power or running water, meaning that any low-cost water purifier must be able to operate in the most basic environment.
例如，在印度许多农村居民没有电或自来水，也就是说，任何低成本的净水器必须能够在最基本的自然环境下工作。
The companies themselves saw the cost of basic scientific research as a small price to pay for such power.
在这些公司眼中，基础科学研究的微小投入却换来的是市场上的霸主地位。
The basic factors related with photonic information processing are ultrahigh response speed, low photon power threshold, high conversion efficiency and relatively low device cost.
光子信息处理的基本要素是超高速响应速度、低光子功率阈值、高转换效率以及较低的器件成本。
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