A Detailed Plan of Contents（详细目录） ... Identifying the purpose of the writing in the beginning（开头表明写作目的） Basing your opinion on facts（观点必须基于事实） Crossing out unnecessary closings（结尾避免画蛇添足） ...
It was revealed that the cross relaxation increased with intensity of the excitation, which resulted in the decrease of polarization factor with the input pulse area.
分析表明，交叉弛豫随激发场强度增大，并导致偏振因子随激发场入射脉冲面积减小。
2
The importance of the virtual excitation in calculating the differential cross section of the elastic is discussed.
发现在弹性散射中虚激发的贡献是重要的。
3
The emission cross sections of the observed lines and the excitationcross sections of the corresponding states are obtained in the visible region.