| 目錄 | 作者 |
|---|---|
| 封面 | |
| 封裏 | |
| Abstract | YINN-NIEN HUANG |
| Introduction | YINN-NIEN HUANG |
| Distribution of stations and data analyzed | YINN-NIEN HUANG |
| Magnetic effect on the oercent occurrence of foEs greater than 5Mc/s. | YINN-NIEN HUANG |
| Frequency dependence of magnetic effect on occurrence of Es. | YINN-NIEN HUANG |
| Conclusion | YINN-NIEN HUANG |
| Acknoeledgment | YINN-NIEN HUANG |
| REFERENCES | YINN-NIEN HUANG |
| 封底裏 | |
| 封底 |
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