检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:陈道海[1] 丘占锋[1] 李洁萍[1] 林焕芳[1]
出 处:《湛江师范学院学报》2006年第3期50-54,共5页Journal of Zhanjiang Normal College
摘 要:通过对黑色油葫芦(Gryllus testaceusWalker)在实验条件下的观察,对其一般行为模式、交配和鸣叫时间分布、鸣声结构等方面进行了观测和分析.并对发音结构、鸣声的生物学意义进行了研究.In the present paper, behavior pattern,mating and characteristics of songs of GryUus testaceus Walker are studied. It has mainly analyzed frequency domain characteristics and time domain characteristics of the songs. The experiments show that the sounds are distinguished, more from 4 p.m. to 9 a.m. and less in daytime when they are alone. when the female is put in, the made sent out lower tone courtship songs. And the sing more in the daytime.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:18.118.32.116