Nokia's device is somewhat less ambitious and is made possible thanks to a wide-band antenna and two very simple circuits.

诺基亚的这款手机倒没那种雄心豪情，它是采用宽带天线及两个非常简单的电路来达到目的的。

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This article provided a new method to calculate the values of resistance between the assigned nodes in simple circuits.

给出一种计算简单电路指定节点之间的等效电阻的方法。

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Instead of buying expensive transformers or converters to run your simple circuits, try using a transformerless power supply.

不想购买昂贵的变压器或转换器来运行您简单的电路，您可以试试不使用变压器供电的方法。

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This approach combined with the complexity of biological systems restricts current, one-off efforts to modifying only a small set of genes and constructing simple, isolated genetic circuits and metabolic pathways.

FORBES: DARPA Builds First Bio-Engineering Factory

Dr Stojanovic and his colleague Joanna Macdonald have used this approach to build simple DNA-based circuits capable of playing tic-tac-toe (though they take about half an hour to make each move).

ECONOMIST: DNA computing

One was a kitchen chemistry set for growing crystals and the other a simple electronics kit, based partially around parts of a Snap Circuits set, that has kids building an electromagnet and lighting up an LED.

ENGADGET