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
27
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】______.
【B10】
选项
答案
Future airports, therefore, can be made smaller and still handle more air traffic more safely and efficiently
解析
转载请注明原文地址:https://kaotiyun.com/show/RaV7777K
0
大学英语四级
相关试题推荐
Socialchangeismorelikelytooccurinsocietieswherethereisamixtureofdifferentkindsofpeoplethaninsocietieswhere
With950millionpeople,IndiarankssecondtoChinaamongthemostpopulouscountries.ButsinceChina【C1】______afamilyplan
ImprovingYourT.Q.(Test-TakingQuotient)TypesofTestsYouwillhaveonehourtocompletethistest.Allanswersmust
A、DoctorThomas.B、DoctorThomas’wife.C、DoctorThomas’assistant.D、Themanagerofahotel.C此题为推断题。男士打电话到Thomas医生的办公室,女士接的电话
A、Thelackofhelpfromthetowngovernment.B、Thecyclists’carelessness.C、Thetruckdrivers’anger.D、alloftheabove.A
A、Shefavoredhimwithaglassofwater.B、Sheignoredhimandwenttowork.C、Shecalledinthepolice.D、Shepouredwateronh
HallmarkCardsInc.hasbeendescribedastheGeneralMotorsofemotion.EachdaythisMidwesterncompany【C1】______themillion
GallaudetUniversitycurrentlydoesnotallowstudentstokeeppetsintheirdormrooms.Exceptionsaremadeonlyforservicean
A、Becausetheyallworkinthesamecompany.B、Becausetheydonotwantschoolbusestotaketheirchildrentoschool,C、Because
随机试题
___________成为顾客管理的最终目标。
临床实验室测定血清游离钙的常规方法是A.原子吸收分光光度法B.火焰光度法C.高效液相色谱法D.分光光度法E.离子选择电极法
消费性支出指用于社会公共消费方面的支出,如()等。
清河泵站设计装机流量150m3/s,出口防洪闸所处堤防为1级。招标人对出口防洪闸工程施工标进行公开招标。有关招标工作计划如下:5月31日提交招标备案报告,6月1日发布招标公告,6月11日~15日出售招标文件,6月16日组织现场踏勘,6月17日组织投标预备会
工程款价差调整的主要方法不包括()。
某外贸公司(甲方)与日本某公司(乙方)签订了一项合同。合同规定:乙方卖给甲方价值4000美元用于制作服装的辅料,甲方用该辅料和国产主料加工成价值40万美元的西服返销给乙方。在填制进出口货物报关单贸易方式是应填报()。
下列各项中,不属于土地增值税纳税人的是()。
发展经济_______可以为城市文化增加筹码,_______文化传承、文化内涵的提升以及文化事业的发展,_______不可或缺的,城市的文化含金量如何,并不在于能否造起几幢标志性建筑,而是取决于市民的文化素质。依次填入画横线部分最恰当的一项是()
Acenturyagothephysician’swordwas______todoubtitwasconsideredalmostsacrilegious.
Whatisthesinglelargestproblemfacingthehealthcaresystemtoday?
最新回复
(
0
)