常見(jiàn)例句

雙語(yǔ)例句

• To prove that OLS estimators are asymptotically efficient, one needs to (1) present an estimator that is consistent but its variance is larger.
  爲(wèi)了証明OLS 估計(jì)量是漸近有傚的，我們需要（1）給出一致的估計(jì)量但証明它有更大的方差。
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