P2 talk about why they can avoid the noise. Basically only focus on how the acoustics works. Detect clicks by repeat rate, change of frequency is not in a fixedpattern. Whistle frequency change in a consistent pattern
Q1: TOPIC. D, E is close in the words used. But E is correct.
D: present information about a problematicissue in environment of particular animal.
E: explain the method used for a problematic issue in particular environment. Q2. what is correct about whistle and clicks.
作者: xinxiaohua 时间: 2010-8-1 23:49 作者: scottrade 时间: 2010-8-2 00:49
I think v1 is the one i met sorry about my "完全不着边际的题目描述", but I really donot want missleading you when I recall gogo作者: mochysisu 时间: 2010-8-2 15:54
加油,杀鸡放狗。。作者: zliycdr 时间: 2010-8-2 22:47
I think v1 is the one i met sorry about my "完全不着边际的题目描述", but I really donot want missleading you when I recall gogo