释义 |
conservation /kɒnsəˈveɪʃ(ə)n /noun [mass noun]1The action of conserving something, in particular:These sites of sequence conservation may indicate regions of importance for transcriptional regulation of these genes....- Second, sequence conservation at the insertion site is considerably weaker compared to the P element.
- This verse is a brilliant guide to the operating Manager for psychological energy conservation and a preventive method against stress and burn-outs in the work situations.
1.1Preservation, protection, or restoration of the natural environment and of wildlife: [with modifier]: nature conservation...- Founded in 1938, their overall objective is to promote environmental protection and nature conservation nationally and internationally.
- The library will also organise a special display of books and CDs on the special theme of nature conservation and environmental protection.
- It would be naive to suggest that such views of the land represent the practice of a perfect natural form of wildlife conservation.
Synonyms preservation, protection, safeguarding, safe keeping, keeping, guarding, saving, looking after; care, charge, custody, guardianship, husbandry, supervision; upkeep, keeping up, keeping going, keeping alive, maintenance, repair, restoration; ecology, environmentalism 1.2Preservation and repair of archaeological, historical, and cultural sites and artefacts: the artworks in the collection need indexing and conservation...- In the last 10 years, over 30 posts for archaeological conservation in museums and other public bodies have been lost.
- Unsurprisingly, opportunities for archaeological conservation are regularly missed.
- That is in keeping with its purpose to promote the identification, protection, preservation, and conservation of historical and cultural heritage in New Zealand.
1.3Prevention of wasteful use of a resource: the government must take action to promote energy conservation...- Broader efforts to cut back sprawl and promote energy conservation are just as important as personal economies.
- All the scientists I've talked to tell me that the best we can expect is to meet about 25 percent of our energy needs with renewable resources and conservation.
- However, there have been few attempts to base modern policies of resource conservation and management on customary ways of doing things.
2 Physics The principle by which the total value of a physical quantity or parameter (such as energy, mass, linear or angular momentum) remains constant in a system which is not subject to external influence.Early models of the atom treated the atom as a solar system and used the idea of angular momentum conservation to explain its stability....- Because of conservation of angular momentum, the globes will resist any change in their orientation.
- An easy experiment is to reduce the cross section of a pipe in one region, making a so-called diffuser that produces large local flow velocities due to mass flux conservation.
Derivativesconservational adjective ...- Therefore, it is of ecological and conservational importance to monitor the hatchling sex ratios produced in nesting beach conservation programs.
- The Preamble reinforces this in noting that conservational and sustainable use of biodiversity is critical for meeting the food, health, and other needs of the growing world population.
- Therefore, the sex ratios are of ecological, evolutionary, and conservational interest.
OriginLate Middle English: from Latin conservatio(n-), from the verb conservare (see conserve). |