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发布时间:2023-11-08 06:25:25

[单选题]_______ is the vertical distance of a level, a point or an object considered as a point, measured from Mean Sea Level.
A.Altitude
B.Height
C.Distance
D.Level

更多"[单选题]_______ is the vertical distan"的相关试题:

[单选题]_______ is the vertical distance of a point or level, on or affixed to the surface of the earth, measured from Mean Sea Level.
A.QNH
B.QFE
C.Height
D.Elevation
[单选题]_______ means the level is measured in 1013.2 pha.
A.Level
B.Height
C.Altitude
D.Flight level
[单选题]The official airport elevation is the highest part of the usable _______ measured in feet above mean sea level.
A.airport
B.runway
C.apron
D.taxiway
[单选题]The _______ senses pressure changes and displays the vertical elevation of an object above a given reference point.
A.attitude indicator
B.tachometer
C.vertical speed indicator
D.altimeter
[单项选择]

From the health point of view we are living in a marvelous age. We are immunized from birth against many of the most dangerous diseases. A large number of once fatal illnesses can now be cured by modern drugs and surgery. It is almost certain that one day remedies will be found for the most stubborn remaining diseases. The expectation of life has increased enormously. But though the possibility of living a long and happy life is greater than ever before, every day we witness the incredible slaughter of men, women and children on the roads. Man versus the motor-car ! It is a never-ending battle which man is losing. Thousands of people the world over are killed or horribly killed each year and we are quietly sitting back and letting it happen.
It has been rightly said that when a man is sitting behind a steering wheel, his car becomes the extension of his personality. There is no doubt that the motor-car often brings out a man’s very worst qualities. People who are no
A. Build more highways.
B. Stricter driving tests.
C. first drivers every three years.
D. Raise age limit and lay down safety specifications.

[单选题]“The distance from XX DME” means _______ .
A.the distance from the ground station
B.the slant range distance from the XX station
C.the estimated distance from the ground station XX
D.the actual distance from the ground station XX
[单项选择]

Feasibility should be measured throughout the life cycle of system development. The scope and complexity of an apparently feasible project can change after the initial problems and opportunities are fully analyzed or after the system has been designed. Thus, a project that is feasible at one point may become infeasible later. The first feasibility analysis is conducted during the (1). The (2) represents a major feasibility analysis activity since it charts one of many possible implementations as the target for systems design. (3)  is a measure of how well the solution will work in the organization. It is also a measure of how people feel about the system. When it is determined in the later stages of the system life cycle, (4)  is often performed with a working prototype of the proposed system. This is a test of the system's user interfaces and is measured in how easy they are to learn and to use and how they support the desired productivity levels of the users. Econ
A. problem analysis phase
B. preliminary investigation phase
C. requirements analysis phase
D. decision analysis phase

[单选题]Helicopters can operate at a height between 1 and 10 meters with 10 meters distance from obstacles, but its flying speed should not exceed _______ km/h.
A.10
B.15
C.20
D.30
[单选题]Flying past the control tower or other observation point for visual check from the ground is known as _______ .
A.touch and go
B.low pass
C.missed approach
D.short approach
[单选题]_______ means the average forward horizontal distance, from the cockpit of an aircraft in flight, at which prominent unlighted objects may be seen and identified by day and prominent lighted objects may be seen and identified by night.
A.VIS
B.RVR
C.TODA
D.DH
[单选题]Two aircraft taxiing on the ground, if the wake turbulence of the preceding aircraft is medium, the succeeding aircraft should keep a minimum distance of _______ m from it.
A.100
B.200
C.80
D.50
[单项选择]Credit risk is measured in several ways. The yield differential above the return on a benchmark security measures the:()
A. default risk.
B. downgrade risk.
C. credit spread risk.

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