An inexpensive portable test could solve that problem.

一项价格低廉的测试就能够解决这个问题。

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The portable test instrument plays important role in military metrology and its quality values are assured by calibration.

便携式检定仪在计量保障中发挥着重要的作用，其量值精度是由校准保证的。

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The automatic calibration program is designed and the calibration data is transmitted by Ethernet. The automatic calibration of portable test instrument is realized.

通过以太网接口进行数据通讯，设计了自动校准程序，实现了便携式检定仪自动化校准。

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One analyst told the BBC the military might ultimately wish to equip soldiers with a range of these pencils to provide a portable test kit for a range of harmful gases.

BBC: MIT pencil 'draws' gas sensors onto paper

One electronics manufacturer, for example, used his crew to test-market new packaging for a portable CD player.

CNN: ASIANOW - TIME Asia

From the pictures, it looks like their hardware is still too big to fit in portable electronics (pictured at right, one of their Bluetooth modules), but that might just be for test purposes.

ENGADGET: A First Step Towards Bluetooth Stereo Headphones