例句與造句

1. Progress , though steady , has been slowly , due largely to difficulties inherent in attempts to characterize a random natural phenomenon in terms of a limited set of parameters . for many years , various non - gaussian probability distributions have been offered as models for the amplitude of sea clutter
   對(duì)海雜波的研究迄今已有50多年，但其實(shí)驗(yàn)數(shù)據(jù)和理論遠(yuǎn)不能令人滿意，還不可能對(duì)海面回波的電平(作為雷達(dá)參數(shù)和海面狀態(tài)參數(shù)的函數(shù))做出高度準(zhǔn)確的預(yù)測(cè)。
2. It's difficult to find gaussian probability distribution in a sentence. 用gaussian probability distribution造句挺難的