d라이브러리
"average"(으)로 총 14건 검색되었습니다.
- 물이 많아지고 더워진다과학동아 198902
- going up. That increase doesn,t seem like much but it's enough to keep the Earth growing distnctly warmer.The Earth's average temperature (evened out for changes of day and night, winter and su ...
- 우주 오염과학동아 198812
- of debris about one inch across. If there are 400 wokring satellites in space at that time, then we can expect, on average, that each year two working satellites will be struck. The damage is q ...
- 번개와 생명과학동아 198809
- a thousand trillion trillion (CQ) molecules of nitrogen dioxide. This is about 110 pounds of the material. And, on the average, about 100 lighting strokes strike the Earth per second. This mean ...
- 윤초(閏秒)과학동아 198806
- seen-but miles away.Studying past astronomical records just gives us a notion how the rotation rate slows down on the average. How do we measure the rotation rate of Earth from day to day? For ...
