echolocation
echolocation 英 [ˌekəʊləʊˈkeɪʃn] 美 [ˌekoʊloʊˈkeɪʃn]
n. 回波定位；回声测距；回声定位能力（鲸和蝙蝠等所具备得一种机能）
名词复数:echolocations
- Echolocation is what some animals use to locate objects with sound rather than sight. Bats, for example, use echolocation to find food and avoid flying into trees in the dark.
- 请先登录
- n. 回波定位；回声测距；回声定位能力（鲸和蝙蝠等所具备得一种机能）
-
1. Much of that echolocation sound is beyond the range of the human ear.
大部分回波定位的声音都超出了人耳能接收的频率。
-
2. Whistles are thought to be identification sounds, like names, while clicks are used to navigate and to find prey with echolocation.
哨声被认为是识别的声音，就像名字一样，而咔嚓声则是用来导航和回波定位寻找猎物。
-
3. Some bats with poor eyesight depend on echolocation to navigate. They emit squeaks and gauge their environment based on the echo returned. Dolphins and shrews use it too. Andhumans.
一些弱视的蝙蝠依赖回波定位以导航。他们发出尖叫声并根据反射的回声测量它们的环境。海豚和树鼠也采用这种办法，以及人类。
- 请先登录
0 个回复