首页
登录
职称英语
Using a new【B1】______device called Microwave Landing System (MLS) , airplane
Using a new【B1】______device called Microwave Landing System (MLS) , airplane
游客
2023-07-26
52
管理
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】______. [br] 【B3】
选项
答案
visibility
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2870480.html
相关试题推荐
[originaltext]Officesystemsareequipmentusedtocreate,store,process,
Theexplosionofthefirstatomicdeviceopenedthenuclearage,______(这永远地改变了世界
[originaltext]W:Youhaveaverygoodstereosystem...Whatafinesounditpr
[originaltext]W:Youhaveaverygoodstereosystem...Whatafinesounditpr
Confucianism,thephilosophicalsystemfoundedontheteachingofConfucius,
Confucianism,thephilosophicalsystemfoundedontheteachingofConfucius,
Confucianism,thephilosophicalsystemfoundedontheteachingofConfucius,
Confucianism,thephilosophicalsystemfoundedontheteachingofConfucius,
Confucianism,thephilosophicalsystemfoundedontheteachingofConfucius,
Confucianism,thephilosophicalsystemfoundedontheteachingofConfucius,
随机试题
TheDeclarationofIndependencewaswrittenby______.A、ThomasJeffersonB、George
WhyMinorityStudentsDon’tGraduatefromCollegeBarryMill
相同面积、相同层数的建筑物,设计成下面不同平面形状,其中夏季空调运行费较低的是(
A.0.331V B.1.211V C.-0.036V D.0.110V
以下作品由戴爱莲编导的有()A.双人舞《飞天》 B.独舞《春江花月夜》 C.
李先生2021年3月取得劳务报酬收入3,000元,稿酬收入2,000元,5月取得
下列药物中毒可用氟马西尼解救的是A.华法林及其类似物B.有机磷酸酯类C.乙酰水杨
2017年我国成年国民图书阅读率为59.1%,比上年增加0.3个百分点;报纸阅读
标准二十分的标准差为()。(2008-11)A:5 B:4 C:3 D:2
若承包人收到监理人的变更意向书后认为难以实施此项变更,应立即通知( )。A.发
最新回复
(
0
)