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
70
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】______.
【B4】
选项
答案
braking
解析
转载请注明原文地址:https://kaotiyun.com/show/VaV7777K
0
大学英语四级
相关试题推荐
"Humansshouldnottotrytoavoidstressanymorethantheywouldshunfood,loveorexercise",saidDr.HansSelye,thefirst
A、Apictureonthewall.B、Apicturethathasn’tbeenenlarged.C、Apicturethephotographertookonhisvacationthisyear.D、A
A、Toprotectpeopleandproperty.B、Tocollecttaxes.C、Toteachandtraincitizens.D、Tosavenaturalresourcesforfutureuse.
HallmarkCardsInc.hasbeendescribedastheGeneralMotorsofemotion.EachdaythisMidwesterncompany【C1】______themillion
AnInterviewwithAmericanFuturistPeterSchwartzMr.Yang,presenteroftheCCTVEnglishDialogueProgrammePeterSc
ThenumberofUS【B1】______overtheageof65wholivealoneis【B2】______torise21percentoverthenexttenyears,tomoreth
Nextyear,ifallgoesasplanned,thelargestmakerofpersonalcomputersinAsiawillbecomethethirdlargestintheworld.
Nextyear,ifallgoesasplanned,thelargestmakerofpersonalcomputersinAsiawillbecomethethirdlargestintheworld.
AutomobilesVSPublicTransportPublictransportplaysacentralroleinanyefficienturbantransportsystemindeveloping
A、HewashavingavacationinParis.B、HewasvisitingsomefriendsinParis.C、HewasvisitingsomefamoussightsinPariswhil
随机试题
王禹偁的_______有意效法自居易的平易诗风,其近体诗、绝句则不乏_______的格调,在文的方面,王禹偁既能写古文,又是四六文的高手,王禹偁的文章多有________。
对于二尖瓣狭窄伴主动脉瓣关闭不全,下列哪项不正确()(2000年)
《药品管理法》规定,劣药是指
A.机械性肠梗阻B.单纯性肠梗阻C.麻痹性肠梗阻D.痉挛性肠梗阻E.绞窄性肠梗阻外伤性腹膜后巨大血肿易发生()
依据我国现行法律的规定及相关诉讼理论,关于当事人诉讼权利能力,下列哪一选项是正确的?()(司考.四川.2008.3.48)
房地产居间服务应有如下意识()。
项目结构图是一个重要的组织工具,其反映的是()。
一般会计软件都提供数据备份功能。()
现行《宪法》规定,中央军事委员会主席向()负责。
【2009-3】人力资本理论认为,人力资本是经济增长的关键,教育是形成人力资本的重要力量。这一理论的缺陷是()。
最新回复
(
0
)