相干反斯托克斯·拉曼散射(CARS)显微技术则由Xie自己的研究团队率先开发，对脂质以外的大多数分子进行成像时对比度不足。

Coherent anti-Stokes Raman scattering (CARS) microscopy, pioneered by Xie's own group, lacks the contrast to image most molecules beyond lipids.

youdao

但是我们一直试着解决困扰数码放映机的三大难题：亮度较低，对比度较差，清晰度不足。

But we were trying to address three key problems that plague digital projectors: lack of brightness, lack of contrast, and lack of sharpness.

youdao