1.B 由上 Some drones are small.知此 介绍的 是它在大小方面和飞机的比较。 size意为“尺码; 大小”。 2. D 面 they don't carry people 介绍无人机和飞机的不同。 bedifferentfrom是固定 短语,意为“和… …不同”。 3.A 山下文对于无人机的介绍可知,此处指无人机 的一些情况,故something符合...
International Business Machine(IBM) has made this kind of drones that can give coffee to sleepy people. It can know when to bring a cup of coffee by studying a person's personal information. Then, the drone will fly to the person. There is a special device(设备)under the drone helping ...
Without this deterrent, it becomes easier for soldiers to kill via a process called “doubling,” in which “otherwise nice and normal people create psychic doubles that carry out sometimes terrible acts their normal identity never would.” [157] Journalist Elisabeth Bumiller describes a drone ...
Aero drones are slowly changing the lives of many people, not onlyphotographersbut as well as farmers.But the question is, how are drones really used? 1 It is used for mapping or survey Drones that are equipped with near-infrared camera sensors will allow one to see the spectrum of light ...
This is part of a broader effort by some in Washington to “de-couple” from China out of fear of national security threats. In this case, that fear isn’t just unjustified – it jeopardizes lives that can be saved by drones, which is to say nothing of the other electronics from ...
For one thing, they don't carrypeople. Here's 3 about drones.Drones have propellers1.A.numberB.size螺旋桨). The propellersC.roomD.colorare 4 blades(叶片2. A. the sameB. the same ason a fan. They turn 5 . This lifts the drone up intoC.differentD.different from3.A.somethingB. ...
It's common to carry things on bikes, trains andThroughout history, there have been a series ofeven planes. But do you know small drones(无人机)inventions that have helped people move things around,can help carry packages to your home?said Astro Teller, lead scientist of Google Wing, to...
The acrobatic moves that some smaller drones can be programmed to perform often rely on powerful sensors placed around the area in which they are flown. In order for a drone to be called “smart” and fly on its own it must have advanced processing capabilities to analyze its environment in...
The most important two: Never fly around or above people, and always keep your drone in sight. The FAA has a full list of safety guidelines for model aircraft that you should check before you take off. Mapbox provides a great interactive map of no-fly areas, and local RC (Remote ...
“I believe and hope I can convince you that pursuing your dreams should be a constant motivation throughout your life. That pursuit—and the experiences you have and people you meet in the process—will give you great gifts that are more precious than any material gains.” A final fare...