This paper describes an integrating photometer built at Purple Mountain Observatory recently.

本文介绍紫金山天文台直流积分型光度计。

youdao

We use the multi-wavelength solar spectrograph of the Purple Mountain Observatory to observe the spectra of solar flares.

我们用紫台多波段太阳光谱仪进行耀斑光谱观测。

youdao

The city also boasts an astronomical legend in Wu Xuefeng's institute - the purple mountain Observatory (see Observatory on a purple mountain).

这座城市还拥有一个天文学领域的传奇，这就是吴雪峰所在的机构——紫金山天文台(见“紫金山上的天文台”)。

youdao