It contains a telescope, a compass, and a protractor, and it's used to measure horizontal and vertical angles.
一个指南针，一个测角器，它用来测量水平和垂直的角。
The main product has telescope, astronomical telescope, night vision, magnifier, microscope, compass etc., are various to optical device and accessions.
主要产品有望远镜、天文望远镜、夜视仪、放大镜、显微镜、指南针等各种光学器材和配件。
The telescope can then be rotated around 360 degrees in X axis so that it can scan the horizon in all the directions of the compass.
现在，我们就可以将望远镜饶x轴旋转360度，从而观察（以望远镜为中心的）水平包围圈的所有方向。
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