A new linear displacement sensor with sealed ultra-long precision steel belt grating is studied.

研制了一种新型的密封式超长精密钢带光栅线位移传感器。

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When atoms and molecules are radiated by ultra intense laser pulse, a series of new non-linear phenomena which can't be interpreted by perturbation theory appears.

实验表明在超强超短激光脉冲的作用下，原子分子会出现一系列微扰理论无法解释的新现象。

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This paper presents two kinds of approximate analytical solution, non-resonance solution and resonance solution, of non-linear dynamic equation based on a type of ultra-low frequency vibrator.

给出了一类超低频标准振动台非线性运动方程的两种近似解析解——非共振解法和共振解法。

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Coupled with the use of ultra-linear neodymium magnets and precision damping this ensures smoother motion and therefore a more accurate, natural sound.

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