2015年6月大学英语六级听力真题模拟练习(10)思维导图

AccordingtothepatentapplicationpublishedbytheU.S.PatentOffice,AmazonplanstousetheGlobalPositioningSystem,orGPS,notonlyfordeliveriestohomesaroundthecountry,butdirectlytopurchasers,wherevertheymaybe.

Focusingonthelocationofthecustomer'smobiledevice,usuallyasmartphone,thedronewillbeabletoavoidbothlivingthingsandinanimateobstacles,identifyareassafeforlandinganddeliverthepackagewithin30minutes.

Forsecurityreasons,theFederalAviationAdministrationrequiresthedronesinthisexperimentaltestperiodtoremainwithinsightoftheiroperators,whichseverelylimitstheirreach.

Amazonisworkingonsolutions,saysLorettaAlkalay,fromVaughnCollegeofAeronauticsandTechnologyinNewYork,speakingbySkype.

“Ithinkthattheyaregoingtoworkonthoseinparallelwithadvancingthenewtechnology.SoIdon'tseethesecurityproblemsasbeingsomethingthatshouldstopthetechnology."

Amazonisstillnotadvertisingthedronedeliveries,butAlkalayisoptimisticthattheywillhappen.

“Idothinkthatinthereasonablyforeseeablefuturetheyaregoingtostartdoingdeliveries.Wehavealreadyseendeliveriesbeingdoneindisasterareasandremoteareas.Ithinkthereisahugedemandforthattypeofdelivery."

Therearestillanumberofconcernsregardingpossiblecollisionswithvariousobjects,aswellasvandalismandtheftofthedronesandgoods,butAlkalaysaysthemediahasassumed-incorrectly-thatdeliverieswouldbemadetopeople'sfrontdoors.

“Ifyouthinkofadronedeliveryperhapstoyourrooftop,thenyou'llhaveanopportunitytoseparatethepedestrianandvehiculartraffic,andatthesametimeseparateitfromairtraffic."

AlkalaysayseventhoughAmericanhomesarenotsetupforrooftopdeliveries,itispossiblethatfuturehomeswillhavespecialplatformsforairdeliveriesofsmallmerchandise.

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