光学测量法中以光干涉测量技术最为常见和应用广泛，可实现高精度的非接触式振动测量。

Optical measuring method, optical interferometry is the most common and used widely for high accuracy non-contact vibration measurement.

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通过红外线光学测量法，研究人员可以证明由肥大细胞和肠嗜铬细胞分泌的介质能直接激活肠道的神经细胞。

Using ultrafast optical measuring methods, the researchers were able to demonstrate that mediators from mast cells and enterochromaffin cells directly activate the nerve cells in the bowel.

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通常采用的膜厚光学测量法只能给出透明材料的线性厚度，而不能对非透明材料进行厚度测量，也不能直接给出被测材料的质量厚度。

Commonly, the optical film thickness measurement method is only used for linear transparent material thickness measurement, and can also not directly measure the thickness of material's quality.

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