望远镜的

What's the major part of the Reflecting Telescope?

反射式望远镜的主镜是一个？

The main advantage of reflecting telescope there is no chromatic aberration, when the objective lens when using parabolic, but also can eliminate spherical aberration.

反射望远镜的主要优点是不存在色差，当物镜采用抛物面时，还可消去球差。

Throughout the 20th century, the refracting telescope nevertheless continued to improve with refinements in technology.

折射式望远镜的制造技术在整个二十世纪中不断地进步。

The spectrum was obtained with the Subaru Telescope's High Dispersion Spectrograph with exposure time of three hours.

频谱获得与列表望远镜的高色散光谱仪曝光时间3小时。

A high quality Barlow must be properly designed and manufactured in order to avoid compromising a telescope's color and spherical aberration corrections.

一个高品质巴卢必须妥善设计及制造，以避免损害望远镜的颜色和球面像差改正。

Spyglass shoulder must be that lower place,there.

望远镜的肩膀'肯定就是那片低地。

Nevertheless, we continue to be attracted to the Tarot's wisdom, symbols and story.

尽管如此，我们仍然可以吸引到望远镜的聪明才智、符号和故事。

What is the range of this telescope?

这架望远镜的有效距离是多大？

If we are to truly understand the performance of our telescope we must answer these questions.

如果我们要真正了解我们望远镜的表现，我们必须回答这个问题。

If you aren't already acquainted with the optical parts of your telescope, now is the time.

如果你还没有认识望远镜的各个部分，现在就来看看。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。