The device, which consists of two conductors fastened to the head by a rubber strap, significantly boosted results in a simple arithmetic test, they said.

这些科学家说，这个设备由两块导体组成，由一个橡胶带夹在头两侧，在一次简单的计算测试中能明显的提高成绩。

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This paper integrates and executes the relative processing arithmetic for railway vehicle test data. in software.

集成了铁路车辆测试信号数据处理的相关算法，在系统中予以实现。

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The characteristic and current situation of the system monitored and controlled by video were described, with many arithmetic for video moving test in video monitoring, introduced.

描述了在视频监控系统的特点和现状，介绍了在视频监控中进行视频运动检测的算法。

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But 76% agreed with proposals to test the skills of trainee teachers in the areas of reading, writing, arithmetic and new technology.

BBC: Teachers 'reject payment by results'

Psychologists had 543 men and women in a mall, ages 25 to 75, take a test that involved quickly evaluating whether a series of arithmetic problems had been properly solved.

WSJ: Swearing Off Pain, Age and Competition, a 16-Foot Emoticon | Week in Ideas