For undergraduate courses have a "heat", "university physics", "general astronomy", guide the students papers 30;
为本科生主讲课程有《热学》、《大学物理学》、《普通天文学》，指导本科生论文30篇；
The general theories behind echelle and its applications in astronomy are briefed, and the differences between echelle spectrograph and plane grating spectrograph are analyzed and compared.
简述阶梯光栅的基本原理和在天文学中的应用，分析并比较了阶梯光栅光谱仪与普通平面闪耀光栅光谱仪的区别。
What is the main question which still remains unanswered and which you would like to hear an answer to in astronomy in general or in your field of research in particular?
对于天文学或您自己的研究领域，仍然未知的最主要的问题和您最想知道答案的问题是什么？
Nigel is an award-winning science writer who specializes in astronomy and space for the general reader.
奈杰尔是一个获奖的科学作家谁在天文学和空间专门为一般读者。
Nigel is an award-winning science writer who specializes in astronomy and space for the general reader.
奈杰尔是一个获奖的科学作家谁在天文学和空间专门为一般读者。
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