论文部分内容阅读
谁也无法独享一片天空,游隼终年出没,如何才能避免鸽群免受猛禽的袭击?谁能做到知己知彼?且听专家细说……
Who can not enjoy a sky, peregrine falcon all year round, how to avoid pigeons from raptor attacks? Who can know each other? And listen to the experts elaborate ......