Results: the existence of the phenomenon of the deficiency in both blood and oxygen of the fetus when the irregular image of the fetus umbilical artery blood flow spectrumcurve emerged.
结果：胎儿脐动脉血流频谱曲线出现不规则图像时，有可能提示胎儿已有供血供氧不足的现象存在。
2
The energy of light spectrum is consistent with photosynthesis efficiency curve, and radiating perfect red light to promote the growth of the plant.
光谱符合光合作用曲线，产生完美的红光以促进植物的生长。
3
Based on the dispersion equations, 'Downhill Simplex' method is utilized to measure the thickness and optical constants of thin film by fitting the curveof measured transmission spectrum.