首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Using a new【B1】______device called Microwave Landing System (MLS) , airplanes will be able to land themselves. With MLS, more pl
Using a new【B1】______device called Microwave Landing System (MLS) , airplanes will be able to land themselves. With MLS, more pl
admin
2010-06-01
28
问题
Using a new【B1】______device called Microwave Landing System (MLS) , airplanes will be able to land themselves. With MLS, more planes will be able to land on the ground more quickly and more safely without a pilot’s touching the controls.
From the time a plane enters the zone of area covered by MLS until it lands, it is controlled com plctcly and【B2】______Bad weather has no effect on the system, even zero【B3】______fog.
The normal operations for landing—engine reversal,【B4】______, and steering—are【B5】______ by MIS. The pilot does not have to do anything; however, the pilot may take control again if the need【B6】______
Using the current【B7】______Landing System(ILS) ,pilots follow a radio beam. The ILS beam is very narrow, like a long tube. To follow it, airplanes must fly【B8】______along the beam, starting at least eight kilometers from beginning their approach to touchdown. In many cases, pilot must begin to follow ILS beam as far as 24 kilometers away from a touchdown point at the airport.
【B9】______. The MLS uses a high-frequency beam, shaped like a big funnel with a large mouth.【B10】______instead of having to follow the long, narrow, straight in approaches of ILS.
The MLS is so precise that planes can come in on parallel runways at intervals as short as 40 seconds apart without danger of collision.【B11】______.
【B3】
选项
答案
visibility
解析
转载请注明原文地址:https://kaotiyun.com/show/NaV7777K
0
大学英语四级
相关试题推荐
A、Hekeepshisradiooninhisroomatmidnight.B、Heplayshisinstrumenttooloudly.C、Theradioinhiscarwakesherchildren
Realpolicemenhardlyrecognizeanyresemblancebetweentheirlivesandwhatthey【S1】______onTV—iftheyevergethomeintime
A、ItisdifficultforAlisontogetherchildrentogotosleepagainatnight.B、Theneighbors’sonalwayscomeshomeverylate
ImprovingYourT.Q.(Test-TakingQuotient)TypesofTestsYouwillhaveonehourtocompletethistest.Allanswersmust
StudyinginSydney,Australia—anOverviewforInternationalStudentsAustraliahasbeenapopularchoiceforthousandsofi
"Humansshouldnottotrytoavoidstressanymorethantheywouldshunfood,loveorexercise",saidDr.HansSelye,thefirst
Hardlyanyonepaysmuchattentiontotheair.Itis【B1】______,andweneverfeelitunlessastrongwind【B2】______along,blowi
Thereisnodoubtthatadults,andevenhighlyeducatedadults,varygreatlyinthespeedand【B1】______oftheirreading.Some
Presentingagiftisathoughtfulaction,butitisnotexpected.Businessgiftsareoftenpresentedafterthe【C1】______isclo
AutomobilesVSPublicTransportPublictransportplaysacentralroleinanyefficienturbantransportsystemindeveloping
随机试题
男性,70岁,因右面部红肿伴发热2天就诊。查体:右面部可见局限性约10cm直径大小之水肿性红斑,局部皮温高,有压痛,表面可见水疱,颈部以及耳前淋巴结肿大。最可能的诊断是
患者,男,31岁。急性有机磷农药中毒。患者瞳孔变化的特点是
万华滑雪器材厂与某区城市合作银行之间签订的房屋抵押合同,可否以口头的方式签订?为什么?万华滑雪器材厂与某区城市合作银行之间签订的该房屋抵押合同,是否必须进行抵押登记?为什么?
下列建筑材料的图例,哪一种是耐火(耐酸、耐蚀)砖?[1995—004]
期货公司不当延误执行客户交易指令给客户造成损失的,期货公司()。
马克思说:“火药、罗盘针、印刷术——这是预兆资产阶级社会到来的三项伟大发明。”这句话反映出()。
李某和王某是同村农民,李某因家里盖房的需要向王某提出欲收购其所有的三根木料。双方约定,李某以600元价款购买王某所有的三根木料。李某当场向王某支付了300元,并说明,等到第二天将余款300元带来付清,并将三根木料拉走。天有不测风云,当天晚上山洪暴发,将存放
Youhearagreatmanycomplaintstodayabouttheexcessivesecurityconsciousnessofouryoungpeople.Mycomplaintisthe(1)__
编写如下程序代码:PrivateSubCommand1_Click()Callsub_proEndSubSubsub_pro()StaticsumAsIntegerDimiA
Foryears,nonprofithospitalshaveshiedawayfromquantifyingtheamountofcharitablecaretheyprovidecommunities.Hospit
最新回复
(
0
)