英语语法分析

A kind of spectroscopic library of elements was compiled using flame tests.

我们用火焰测试编制了一个包含多种元素的光谱库。

There will be photometric and spectroscopic evidence for forests and savannahs.

通过光度与光谱证据，也许还能发现森林和草原的痕迹。

Principles and applications of modern near infrared spectroscopic techniques.

现代近红外光谱分析技术的原理及应用。