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词汇 life-cycle
释义 life cycle
noun[ Cusually singular ]
uk /ˈlaɪf ˌsaɪ.kəl/ us /ˈlaɪf ˌsaɪ.kəl/
the series of changes that a living thing goes through from the beginning of its life until death: 生命周期;生活周期,生活史
They studied the life cycle of the frog.他们研究青蛙的生命周期。
the length of time that something lasts or can be used: (某物可以使用的)生命期
Many of these technological products have only a very short life cycle.这些技术产品的生命期都很短。
SMART Vocabulary: related words and phrases

Life and living
alive
animate
blue zone
borrow
breath
cheat
cheat deathidiom
cradle
draw breathphrase
immortal
last
last out
life course
life expectancy
life form
revenant
social calendar
social life
stay alive
subsist

You can also find related words, phrases, and synonyms in the topics:


Periods of time - general words

life cycle | Business English


life cycle
noun[ C,usually singular ]
 MARKETING, PRODUCTION (alsolifecycle)ukus
the series of changes that a product, process, activity, etc. goes through during its existence:
brand/product life cycleThe product life cycle may be improved by making a product that meets future requirements as well as the present.
life cycle assessment/managementLife cycle assessment is about examining every process and finding every opportunity to improve the system.

See also


family life cycle
product life cycle

Examples of life cycle


life cycle
The objective of life-cycle design of this research is to design sustainable closed-loop product life cycles.
Current lifecycle of automobiles is an example of this type.
Section 2 clarifies a missing element of existing life-cycle design methodologies and proposes the design of lifecycle.
No significant differences were found for any of the measured lifecycle parameters irrespective of the diet on which the host was reared.
One could object that such use is legitimate and that it forms part of the lifecycle of a monument.
In particular, the human lifecycle seems significant in this respect.
This represents an unprecedented change in the course of the lifecycle and in the experience of the aged.
Individual preferences are represented by a logarithmic lifecycle utility function.
A lifecycle model is formulated within an optimization framework and solved by non-linear programming methods.
Nor is it the case that relevant contexts broaden over the entire lifecycle.
This univoltine insect spends more than three-quarters of its lifecycle in dormancy.
Independently of current residence and schooling, lifecycle stage was strongly related to contraceptive usage.
For example, depressive episodes in older adults with early-onset depression might represent a resurrection of unresolved issues from earlier tasks of the lifecycle.
However, in seeds of many species, dormancy is not an all or nothing stage in the plant's lifecycle.
Proportions are general, depending on family size and stage in the lifecycle.
See all examples of life cycle
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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