d라이브러리
"sharp"(으)로 총 14건 검색되었습니다.
- 과학평론과학동아 l199112
- way down. Again reptiles tend to have teeth that all look alike while the teeth in mammals are differentiated, with sharp incisors in front, flat molars in back and conical teeth in between.As ...
- DNA분자를 처음 보다과학동아 l198906
- image. Scientists had to work with very thin slices of material. But then, ways were found to produce a very thin, sharp beam of electrons and play that beam over the surface of an object. The ...
- 대기권 밖의 망원경과학동아 l198904
- (including our own star, the sun).The Hubble space telescope will be able to measure the position of a star more sharply, and can note, with greater precision, any slow wiggles in that position ...
- 책의 혁명과학동아 l198712
- world's oldest surviving epic, that of Gilgamesh, appeared in that form. Other types of writing on hand surfaces(a sharp instrument on a waxed tablet, chalk on a piece of slate) may be useful, ...
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