犬彼此通过一定的手段交流信息,距离较近时,它们主要用身体姿势、面部表情、声音和气味交流,在距离较远时,则主要用声音、嗅觉来交流信息。了解和掌握犬的通信行为和交流方式的特征对训导员了解警犬极有帮助。 The dogs exchange information with each other through certain means. When they are close, they exchange their body posture, facial expressions, sounds and smells. When the distance is long, they exchange information mainly with sound and smell. Understanding and mastering the dog’s communication behavior and communication characteristics of the trainer to understand the dog very helpful.