biến thiên
Học thuậtThân thiện
Definition
Verb:
- To vary: To change in value, amount, or intensity over time or under different conditions. This is the primary mathematical and scientific meaning.
- To undergo major change: To experience a significant transformation or shift, often on a large scale.
Noun:
- Variation: The act, process, or result of varying; a change in condition, amount, or level.
- Upheaval / Major change: A sudden, dramatic, and often disruptive change, especially in a historical or social context.
Usage Examples
- Verb:
- Nhiệt độ biến thiên theo mùa. (Temperature varies with the seasons.)
- Giá cả trên thị trường liên tục biến thiên. (Prices on the market constantly vary.)
- Noun:
- Sự biến thiên của từ trường được ghi lại cẩn thận. (The variation of the magnetic field was carefully recorded.)
- Lịch sử trải qua nhiều biến thiên. (History has undergone many upheavals.)
Advanced Usage
- Mathematical Context: In mathematics, "biến thiên" specifically describes how a variable or function changes.
- Khảo sát sự biến thiên của hàm số. (Investigate the variation of the function.)
- Formal/Literary Context: Used to describe profound changes in fate, society, or circumstances.
- Biến thiên của thời cuộc. (The vicissitudes of the times.)
Variants and Related Words
- Biến đổi (v/n): To change / change. A more general term for change, not necessarily implying a specific pattern or scale.
- Thay đổi (v/n): To change / change. The most common and general word for change.
- Dao động (v/n): To oscillate / oscillation. Implies change back and forth around a central point or value.
Synonyms
- Vary (verb)
- Fluctuate (verb)
- Variation (noun)
- Upheaval (noun)
- Vicissitude (noun, formal)
Related Terms
- Biến thiên tuần hoàn: Cyclical variation.
- Phép tính biến thiên: Calculus of variations (mathematics).
- Biên độ biến thiên: Range of variation.
noun
- Upheaval, major change
- những biến thiên trong lịch sửhistorical upheavals