首页
登录
职称英语
[originaltext] Good afternoon, everyone. Today, I’ll talk about how autonomo
[originaltext] Good afternoon, everyone. Today, I’ll talk about how autonomo
游客
2023-08-05
30
管理
问题
Good afternoon, everyone. Today, I’ll talk about how autonomous flying taxis could change the way you travel. Cities are getting more populated. The roads are full, and it’s really difficult to expand them. And so in a lot of places, there really aren’t a lot of good solutions for getting around traffic. But what if you could fly over it? The sky is underutilized, and I would argue it will never be as congested as the roads are. In many cases, flying can be a long-term, compelling alternative to traveling on the ground.
One of the first things we need is an aircraft that can take off and land in small spaces and quickly take you where you want to go. And helicopters can do that today, but traditionally, helicopters have been just a little bit too expensive, just a little too hard to pilot and just a little too noisy to be used for daily transportation in cities. Well, electric flight and autonomy are changing that.
Electric flight, in particular, unlocks new possibilities for vehicle configurations that we just could not explore in the past. If you use electric motors, you can have many of them around the aircraft, and it doesn’t add a lot of extra weight. And that gives you redundancy and safety. And also, they are cleaner, cheaper and quieter than internal combustion engines. Autonomy allows the transportation network to scale, and I actually think it makes the aircraft safer. Commercial flights are already automated for most of their duration, and I believe there will come a day when we won’t even trust an airplane that required a human to fly.
So, one of our teams at A3 wanted to see just how close this future really was. So they built and flew a prototype of one such vehicle. And they made a point of only using mature, commercially available technologies today. We call it Vahana. It’s fully electric. It takes off and lands vertically, but flies forward like a regular airplane. It’s fully self-piloted. You push a button, and it takes off, flies and lands, all by itself. The prototype that you see here is designed to carry a single passenger and luggage. And it can go about 20 miles in 15 minutes. And our estimate for a trip like that is it would cost around 40 dollars, which you can really build a business around.
Question 16. Why does the speaker say traditional helicopters are not fit for daily transportation?
Question 17. What do we learn about electric flight and autonomy?
Question 18. What do we learn about Vahana?
选项
A、Because they cannot land at random.
B、Because they are not safe enough.
C、Because they are hard to refuel.
D、Because they make noises.
答案
D
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2898181.html
相关试题推荐
[originaltext]M:Hello,andwelcometoourprogram"WorkingAbroad".Ourguest
[originaltext]M:Hello,andwelcometoourprogram"WorkingAbroad".Ourguest
[originaltext]M:Hello,andwelcometoourprogram"WorkingAbroad".Ourguest
[originaltext]M:Hello,andwelcometoourprogram"WorkingAbroad".Ourguest
[originaltext]M:Hello,andwelcometoourprogram"WorkingAbroad".Ourguest
[originaltext]W:Tellme,Peter.WhatmakesHaroldssofamous?M:Well,it’sth
[originaltext]W:Tellme,Peter.WhatmakesHaroldssofamous?M:Well,it’sth
[originaltext]W:Tellme,Peter.WhatmakesHaroldssofamous?M:Well,it’sth
[originaltext]M:Hi,Mary.Doyouwanttostartwritingalabreportafterwef
[originaltext]M:Hi,Mary.Doyouwanttostartwritingalabreportafterwef
随机试题
PASSAGEONE[br]Accordingtothecontext,whatdoestheword"trepidation"mean
Hehas______averyoddsetofpeople.Ihopetheywon’thaveabadinfluenceo
DearMr.Suzuki,ThegoodswereceivedonJuly15werefoundnottomatchou
流行性出血热病毒是A、与丙型肝炎病毒一样 B、汉坦病毒属,为单股负链RNA病
患者,男,63岁。体质瘦弱,头晕心慌,体倦乏力,食少纳呆,食后腹部坠胀满,舌淡苔
某混凝土试块强度值不满足规范要求,但经法定检测单位对混凝土实体强度经过法定检测后
某社区属老旧小区,社区居民中下岗人多,经济收入低,社区内青少年中初中毕业辍学在家
中性粒细胞的主要功能是A.释放细胞毒素 B.产生抗体 C.参与生理止血 D
证券分析师基于特定客户的立场,遵循忠实客户利益原则,对证券及证券相关产品的价值进
寒凝气滞型胃痛的治疗方法为A.消食导滞,和胃止痛 B.温中健脾,和胃止痛 C
最新回复
(
0
)