1. For the sake of brevity, the following abbreviations will be used:
2. 1977 Liuzhou Symp.—The 1977 National Symposium on Gallium Arsenide and Related Compounds, Liuzhou.
3. 1981 Shanghai Symp.—The 1983 National Symposium on Gallium Arsenide and Related Compounds, Shanghai.
4. 1982 Kunming Symp.—The 1982 National Symposium on Semiconducting Compound Materials, Solid Microwave Devices and Optoelectronic Devices, Kunming.
5. 1982 Changzhou Symp.—The 1982 National Symposium on Electron, Ion and Photon Beams and Micro-Fabrication Technology, Changzhou.