| 1. | Column s maximum in yellow background colour
黄色背景表示栏最高 |
| 2. | Background colour control character
背景彩色控制字符 |
| 3. | This is a 1979 edition issued on april 1 , 1980 , with a red background colour
本?为一九七九年版，于一九八零年四月一日发行，以红色作主色调。 |
| 4. | This is a 1979 edition issued on april 1 , 1980 , with a blue background colour
本?为一九七九年版，于一九八零年四月一日发行，以蓝色作主色调。 |
| 5. | This is a 1979 edition issued on april 1 , 1980 , with a brown background colour
本?为一九七九年版，于一九八零年四月一日发行，以褐色作主色调。 |
| 6. | This is a 1979 edition issued on april 1 , 1980 , with a light purple background colour
本?为一九七九年版，于一九八零年四月一日发行，以浅紫色作主色调。 |
| 7. | This is a 1979 edition issued on april 1 , 1980 , with a green and light green background colour
本?为一九七九年版，于一九八零年四月一日发行，以绿色和浅绿色作主色调。 |
| 8. | This is a 1979 edition issued on april 1 , 1980 , with a brown and light yellow background colour
本?为一九七九年版，于一九八零年四月一日发行，以褐色和浅黄色作主色调。 |
| 9. | This is a 1979 edition issued on april 1 , 1980 , with a purple and light yellow background colour
本?为一九七九年版，于一九八零年四月一日发行，以紫色和浅黄色作主色调。 |
| 10. | To match the overall sheetlet design , the background colour of the definitive stamp has been changed from the current white colour to yellowish
为配合整体设计，邮票的底色由现时的白色改为浅黄色。 |
