Fig. 1. [in Chinese]

Fig. 2. [in Chinese]

Fig. 3. [in Chinese]

Fig. 4. [in Chinese]

Fig. 5. Terminal load response with 终端负载响应()

Fig. 6. Terminal load response with 终端负载响应()

Fig. 7. Terminal load response with 终端负载响应（）

Fig. 8. [in Chinese]

Fig. 9. [in Chinese]

Fig. 10. [in Chinese]

Fig. 11. [in Chinese]

Fig. 12. [in Chinese]