For millennia Indigenous communities have relied on the far north's caribou herds for sustenance. But as the herds dwindle, the future becomes difficult to predict.
If self-driving cars ever got off the ground, kids of the future might be able to head straight to the skies. ( )27. Why does the writer mention helicopters and airplanes? A. To explain how flying cars work. B. To show the advantages of flying cars. C. To show the technology used...
(5)___They are easier to fly than a helicopter and not as expensive.They could get to places where helicopters and other tools couldn't.Someday soon,skycars could be flying around in the sky like large birds.A.Skycar would be useful in many ways.B.The motor...
Compared with helicopters (直升机), the company says their taxis are both quieter and cheaper. But there’s still a lot to do before air taxis become common. For one thing, governments need to make rules about where, and how these taxis can fly. And some people have concern about them....
A new and existing technology has been pulled into the fight-drones(无人机), which can fly and see in heavy smoke, helping firefighters on the ground know where the fire is growing.Because of their size and maneuverability, drones can reach places that fixed-wing aircraft and helicopters can...
“We have 27 aircraft based across the state, including helicopters, fixed-wing detection planes, single-engine air tankers and a large airtanker, all of which we’ve secured for our exclusive use," Laugle told the online publication. "We also have call-when-needed agreements with a number...
Comparedwithhelicopters(直升机),thecompanysaystheirtaxisarebothquieterandcheaper.Butthere'sstillalottodobeforeairtaxisbecomecommon.Foronething,governmentsneedtomakerulesaboutwhere,when,andhowthesetaxiscanfly.Andsomepeoplehaveconcernaboutthem.Thetaxismaybequieter,butthey'llstillbeaddingnoiseandtraffictoourskies....
In this episode, Stephane provides updates on the state of drone delivery and urban air mobility, and what it truly takes to get these businesses in the air.
The U.S. Coast Guard, for example, calculated that it saved over $6.7 million in the last eighteen months by deploying small UAS instead of helicopters for vessel interception. Building Drones in America Drones, like most technologies we interface with today, are as much software as they ...
when,andhowthesetaxiscanfly.Andasexcitingastheideaofflyingtaxisis,somepeoplehaveconcernsaboutthem.Thetaxismaybequieterthanhelicopters,butthey'llstillbeaddingnoiseandtraffictotheskies.Somepeoplethinkthatonlyrichpeoplewillbeabletoafford(支付得起)tousetheminthefuture.(1)WhichofthefollowingisTRUEaboutJoby'sairtaxi...