FAQs About the word d region

D 區

the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves

No synonyms found.

No antonyms found.

d and c => 刮宮和宮腔抽吸術, d => d, czestochowa => 琴斯托霍瓦, czerny => 切尼, czechoslovakian => 捷克斯洛伐克,