ADF [计] 应用开发设施
- XK beacon is very unsteady. It does not work properly. There is a call sign, but it is swinging, our ADF is swinging all.
XK导航台工作不稳定,根本没有工作。有信号但摆动。我们的ADF一直在摆动。
- It has many overseas programs including China, Argentina, Venezuela, South Africa and the Soviet Union. This is the second time ADF has brought both teachers and dance companies to a nation for an intensive two-week period.
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