Creeks that were covered at the fifth, sixth and tenth needed to be re-exposed.
小溪那些覆盖了第五，第六，需要重新第十暴露。
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After drying up, bdelloids come back to life when re-exposed to fresh water. The Cornell study is featured on the cover of the Jan. 29 issue of Science.
As new components are built and deployed, some of them having a wider usage beyond the immediate application are exposed as services to be re-used by future development efforts.