This paper also discusses the principle of the electromagnetic power unchangeableness to some extent.
文章还对坐标变换过程中的电磁功率不变性原则进行了讨论。
2
The bending of simple supported beam make the resonance peak wavelength of each mode of TFBG shift and resonance peak amplitude unchangeableness.
简支梁的弯曲只让TF BG各模式的谐振峰波长发生了漂移，而各模式的谐振峰的幅度没有改变。
3
The test indicates that the method not only can reach to a satisfactory speeding effect, but also can keep very well the failure mechanism unchangeableness.