鉴于目前运动能耗检测对人体健康的重要性，研发了一套基于三维加速度传感器的人体运动能耗检测系统。
Aiming at the importance of the detection of physical activity energy expenditure (PAEE), a new system of detecting PAEE based on tri-axial acceleration transducer was presented.
在手机设备移动时，内置加速度传感器报告在三维空间，沿着三个主要轴上的线性加速度改变。
As the mobile device moves, a built-in accelerometer reports linear acceleration changes along the three primary axes in three-dimensional space.
从多维地震动输入下的结构三维振动方程出发，给出了结构多维随机振动的振型位移法和振型加速度法。
From the equation of three-dimensional vibration of structures, the methods of multi-dimensional random mode displacement and mode acceleration have been put forward.
三维滑块这种技术没有旋转惯性，可获得更高的加速度和行进速度。
Thee technology of the three dimensional sliding block has no rotating inertia, and can obtain higher acceleration and travel speed.
三维滑块这种技术没有旋转惯性，可获得更高的加速度和行进速度。
Thee technology of the three dimensional sliding block has no rotating inertia, and can obtain higher acceleration and travel speed.
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