注意，按照DB 2 Spatial Extender范例，在乘上比例系数之前，浮点值要减去偏移量。
Note that, following the paradigm of the DB2 Spatial Extender, the offset is subtracted from the floating point value before the scale factor is multiplied in.
布喇格中心波长的偏移与轴向应力、径向应力和温度等变化量均呈极好的线性比例关系，且在较大的测量范围内一直保持线性关系。
The relative shift of Bragg center wavelength increased linearly with the change of axial stress, radial stress or temperature, and it kept the linear relationship in a large range.
理论研究表明：转子的静不平衡量与转子的偏移成正比；位移比例系数越大，测量精度越高。
The theoretical study shows that static unbalance of the rotor was proportional to displacement of the rotor ; the larger displacement scale coefficient, the higher measuring accuracy.
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