It is pointed out that the relation has something to do with the principal quantum number and the angular quantum number, but nothing to do with the nuclear electronicnumber and reduced mass.
发现此关系式与主量子数和角量子数有关，而与核电荷数以及折合质量无关。
2
Philips has been exploring emotion-sensing systems for a number of years, in part to see how electronic devices might help people cope with stress.
飞利浦公司多年来一直致力于探究情绪感知系统, 在某种程度上，了解电子设备如何帮助人们处理压力。
3
Access to electronic media widened across the continent with the number of computers per thousand people rising more than 30 percent in 2003 compared to 2000.