The key of the wind observation quality is that using the theodolite right ly and normally to follow the wind observation balloon.
正确、规范地使用经纬仪跟踪气球测风是提高测风质量的关键。
This paper describes the electric and electronic apparatus of balloon borne telescope for far infrared observation of the sun.
本文介绍了一个用于观测太阳远红外辐射的球载望远镜电气设备。
Double-balloon endoscopy, which enables endoscopic observation of the entire small intestine, represents such a new system.
双倍气球的内窥镜检查，使内窥的观察整个小肠成为可能，描述这样的一个新系统。
Double-balloon endoscopy, which enables endoscopic observation of the entire small intestine, represents such a new system.
双倍气球的内窥镜检查，使内窥的观察整个小肠成为可能，描述这样的一个新系统。
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