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单词 viable population
释义
viable population
By reducing the size of a habitat, you swap one viable population for two island populations.
Times, Sunday Times
To sustain a viable population, every three pairs of lapwings must fledge two chicks a year between them.
Times, Sunday Times
Provided they are maintained and not sold off, a viable population should enjoy a secure future, safe from the threat of extinction.
The Sun
This process holds many of the same variables contained within viable population estimates, and thus should not be difficult to incorporate into policy.
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No data are available on minimal hammock size needed to support a viable population of tree snails.
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更新时间:2024/11/15 11:50:37