re·triev·al /rɪˈtrivəl/
取回,恢復,修補
retrieval
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retrieval
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retrieval
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Re·triev·al n. The act retrieving.
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retrieval
n 1: (computer science) the operation of accessing information
from the computer's memory
2: the cognitive operation of accessing information in memory;
"my retrieval of people's names is very poor"
3: the act of regaining or saving something lost (or in danger
of becoming lost) [syn: recovery]