纪录片《猫的秘密》 第7期 大型猫科动物(在线收听) |
The technology that Alan has developed for the big cats 艾伦开发出来用在这些大型猫科动物身上的 is an advanced GPS tracker. 是一种先进的GPS追踪器 It tracks the animal's position, speed 它追踪动物的位置 速度 and how fast they're accelerating, step by step. 以及他们每一步的加速度 The collar has got solar panels on the top, 这个项圈顶部有太阳能电池板 it's got electronics in the top here 这里面有电子元件 and then the batteries on the bottom, and a radio antenna. 底部有电池和一个无线电天线 So this will give us the position of our animals 它将以每秒三百次的速度 to tens of centimetres, 300 times a second, 和几十厘米的精度告诉我们猫猫的位置 and how fast they're going, 以及他们行动的速度 so we actually get exquisitely fine detail 所以我们能够详细地了解 about what they're doing, where they're moving, 他们在做什么 他们在哪儿活动 what terrain they're moving in, how they're hunting, 他们要去什么地方 他们怎样捕猎 when they're successful and when they aren't. 他们什么时候成功什么时候失败 It really is opening up whole new measurements 这是用传统的追踪项圈 that weren't possible before with traditional tracking collars. 根本无法得到的测量数据 The information he's gathered has transformed our understanding 他收集的信息改变了我们对这些 about how these fearsome predators live in the wild. 可怕的捕食者如何在野外生存的看法 We're going to turn on the GPS loggers. 我们要把这些GPS接收器打开 |
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