quỹ đạo
Definition
Noun (Astronomy):
- Orbit: The curved, typically elliptical or circular, path of one celestial body (like a planet or moon) around another (like a star or planet) due to gravitational attraction.
Noun (Physics):
- Orbit / Trajectory: The path followed by an object moving under the influence of a central force or forces, especially the closed, repeating path of an electron around an atomic nucleus or a satellite around Earth.
Noun (Figurative):
- Sphere of influence / Orbit: A figurative area of activity, influence, or control, into which someone or something is drawn or directed.
Usage Examples
- Noun (Astronomy):
- Trái Đất di chuyển trên quỹ đạo quanh Mặt Trời. (Earth moves in an orbit around the Sun.)
- Noun (Physics):
- Vệ tinh đã được phóng thành công vào quỹ đạo. (The satellite was successfully launched into orbit.)
- Các electron chuyển động trên những quỹ đạo xác định. (Electrons move in specific orbits.)
- Noun (Figurative):
- Đất nước đó dần đi vào quỹ đạo ảnh hưởng của cường quốc lân cận. (That country is gradually entering the sphere of influence of the neighboring power.)
Advanced Usage
- "Đưa vào quỹ đạo": To put/place something into orbit (literally) or into a desired path/influence (figuratively).
- Kế hoạch nhằm đưa nền kinh tế vào quỹ đạo tăng trưởng mới. (The plan aims to put the economy on a new growth trajectory.)
Variants and Related Words
- Quỹ đạo địa tĩnh (n): Geostationary orbit.
- Vệ tinh viễn thông thường ở quỹ đạo địa tĩnh. (Telecommunications satellites are often in geostationary orbit.)
- Quỹ đạo elip (n): Elliptical orbit.
- Đường bay (n): Flight path, trajectory (often for aircraft or projectiles).
Synonyms
- Orbit: The most direct synonym for the astronomical and physical meanings.
- Trajectory: A path, often used for non-repeating or open paths (e.g., a missile's trajectory), but can overlap with "quỹ đạo" in physics.
- Path / Course: General terms for a route or direction.
- Sphere / Realm: Synonyms for the figurative meaning of an area of influence.
Related Idioms
- "Đi đúng quỹ đạo": To be on the right track/course.
- Công việc nghiên cứu cuối cùng cũng đi đúng quỹ đạo. (The research work is finally on the right track.)
- "Lệch quỹ đạo": To be off course, to deviate from the intended path (literally or figuratively).
- Dự án có nguy cơ lệch quỹ đạo so với mục tiêu ban đầu. (The project risks deviating from the intended course compared to its original goals.)