安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Propulsion - Wikipedia
Propulsion is the generation of force by any combination of pushing or pulling to modify the translational motion of an object, which is typically a rigid body (or an articulated rigid body) but may also concern a fluid [1]
- Fundamentals of Propulsion Systems – Introduction to Aerospace Flight . . .
A propulsion system consists of an engine of some kind that produces power and work, and hence a force to propel the vehicle forward Air-breathing engines include reciprocating piston engines driving a propeller, turboprops, turbojets, and turbofans
- PROPULSION Definition Meaning - Merriam-Webster
The meaning of PROPULSION is the action or process of propelling How to use propulsion in a sentence
- PROPULSION | English meaning - Cambridge Dictionary
Add to word list the force produced by a system for moving a vehicle or other object: jet propulsion (Definition of propulsion from the Cambridge Academic Content Dictionary © Cambridge University Press)
- Propulsion: Types, Components, and Uses - Thomasnet
Propulsion is the process of generating force to move an object through a medium, be it air, water, land, or even vacuum It focuses on converting stored energy into motion
- Propulsion | How Things Fly
Propulsion is the act of moving or pushing an object forward The word is derived from two Latin words: pro, meaning before or forward, and pellere, meaning to drive A propulsion system is an engine that produces thrust to push an object, such as an airplane or rocket, forward
- Propulsion Systems - Northrop Grumman
With over 60 years of expertise in flight-proven propulsion and advanced technologies, Northrop Grumman is a leading provider of solid rocket motors for U S strategic weapon systems, the civil space industry, and commercial launch services For defense programs, we produce propulsion systems for the Ground-based Midcourse Defense interceptor, Trident II D5, Minuteman III, Sentinel strategic
- Jet Propulsion Laboratory - www. caltech. edu
Caltech founded and manages the Jet Propulsion Laboratory (JPL) for NASA The lab is a leading U S center for Earth science, space-based astronomy, and exploration of Mars, Saturn, Jupiter, and other planets and moons in our solar system
|
|
|