| 词汇 |
F region |
| 释义 |
F region 'ef,ri:dʒiən
基本英英近义反义
F区
Noun:
the highest region of the ionosphere from 90 to 600 miles up which contains the highest concentration of free electrons and is most useful for long-range radio transmission近义词 F layer电离层Appleton layer阿普顿层 |
| 随便看 |
- Therapy,Cold
- Therapy,Collapse
- therapy collimator
- Therapy,Color
- Therapy,Combination Drug
- Therapy,Combined Modality
- Therapy,Complementary
- therapy compliance
- therapy computer-assisted
- Therapy,Computer Assisted
- Therapy,Computer-Assisted
- Therapy,Computer Assisted Drug
- Therapy,Computer-Assisted Drug
- Therapy,Computer-Assisted Radiation
- Therapy,Conditioning
- Therapy,Convulsive
- Therapy,Couple
- Therapy,Couples
- Therapy,CPM
- Therapy,Dance
- therapy dialysis
- Therapy,Diet
- Therapy,Directed Reverie
- Therapy,Directly Observed
- therapy discontinued
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