His uniform made him look a trifle out of place.他的制服让他看起来有些格格不入。The Prime Minister smiled again, this time a trifle frostily.首相又笑了笑，这回有点儿冷冰冰的。"There we go," said Diane, a trifle too cheerily.“这就对了，”黛安娜说道，语气有点儿过于兴高采烈。...
The drift of the icebergs in the sea endangers the ships.海上冰山的漂流危及船只的安全.The icebergs towered above them.冰山高耸于他们上方。Some icebergs rise hundreds of feet out of the water.有些冰山高出水面几百英尺....
When the estimator is unbiased, the numerical estimate is frequently also called unbiased.当估计量无偏时, 数字估计值也常叫做无偏的.We are discussing whether OLS estimator satisfy asymptotic normality.我们讨论是否OLS估计量满足渐近正态性.The performance of ...