- 抽样: sample; sampling; specimen; ...
- 不足: not enough; insufficient; de ...
- 的: 4次方是 The fourth power of 2 i ...
- 抽样不定性: sample uncertainty
- 不足的: deficient in; inadequate---not adequate to fulfill a need or meet a requirement; insufficient; incomplete; insufflcient; lacking; low; scant; scrimpy; short; skimpy; under; unlimited; unsufficient; wanting
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