The electron microscope can provide vastly greater resolution than the light microscope.
举一反三
- The resolution of a light microscope is() A: 2.0nm B: 0.2nm C: 0.2μm D: 2.0μm E: 5.0 nm
- According to the passage, the invention of the visible - light microscope allowed scientists to ______. A: see viruses directly B: develop the electron microscope later on C: understand more about the distribution of the chemical elements D: discover single-celled plants anal animals they had never seen before
- The speed of light is greater than ______ of sound.
- ______ under a microscope， a fresh snowflake has a delicate six-pointed shape.
- 天文望远镜 A: microscope B: goggle C: astronomical telescope D: telescope