2. Solar eclipses allow scientists to see the gases surrounding the sun, or its
corona.
日全食使得科学家们可以看到太阳周围的气体或其光环。
3. Corona plasma electrostatic spraying is a new technology developed with ultra-low volume spraying technology.
荷电喷雾技术是伴随超低量喷雾技术发展起来的一项新技术。