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
36
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、Autonomy makes the transportation network more comprehensive.
B、Electric motors are more efficient than internal combustion engines.
C、The aircraft adds little extra weight with many electric motors on it.
D、Commercial flights have already been automated for all of their duration.
答案
C
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2898182.html
相关试题推荐
[originaltext]Hello,ladiesandgentlemen.Welcometotoday’slecture.First
[originaltext]Formostcollegestudents,themaingoalofhighereducationise
[originaltext]Formostcollegestudents,themaingoalofhighereducationise
[originaltext]Everyonefacesdifficultiesfromtimetotime.Sometimesthed
[originaltext]Everyonefacesdifficultiesfromtimetotime.Sometimesthed
[originaltext]Everyonefacesdifficultiesfromtimetotime.Sometimesthed
[originaltext]Everyonefacesdifficultiesfromtimetotime.Sometimesthed
[originaltext]Everyonefacesdifficultiesfromtimetotime.Sometimesthed
[originaltext]CaliforniahasbecomethefirstUSstatetoapproveplanstorequ
[originaltext]CaliforniahasbecomethefirstUSstatetoapproveplanstorequ
随机试题
HardlyA(didhehear)hismother’sB(calling)C(when)herealizedthatD(itwas
LawrenceSterne’s______wasconsideredasthepioneerworksofthestream-of-co
Oneoftheworstthingyoucandoasaspeakeristoholdyour【M1】______arm
今年年初,分析师预测某公司今后2年内(含今年)股利年增长率为6%,之后,股利年增
淋证的病理因素主要是A.风寒 B.痰凝 C.瘀血 D.湿热 E.肝郁
醋酐一浓硫酸反应常用于检识A.氨基酸 B.多糖 C.香豆素 D.生物碱
小明原来见了陌生人就躲避,上幼儿园一个月后,小明的这种行为消失了。据加涅的学习结
SCL-90有两种评分方法,如果是0~4的5级评分,则总分超过()分,就可考虑筛
依据《通用安装工程量计算规范》(GB50856-2013)的规定,风管工程计量
企业为落实质量管理工作而建立的各项管理标淮、规章制度都属()范畴。A.质量计划
最新回复
(
0
)