例句與造句

1. This paper reviewed the history of slope stability analysis , compared all the methods used for slope stability analysis , and analyzed the shortcomings of the methods used for searching the failure surface , for reasons of a lot of uncertainties , for example random uncertainty and fuzzy uncertainty , are existed in the slope engineering
   由于邊坡工程中存在著大量隨機(jī)性、模糊性等不確定因素，傳統(tǒng)的一些分析、評價(jià)方法難以滿足日趨復(fù)雜的工程分析與設(shè)計(jì)要求。本文將遺傳算法用于邊坡工程的穩(wěn)定性分析與設(shè)計(jì)中，根據(jù)遺傳算法( geneticalgorithms )的概念，討論了遺傳算法的基本原理和方法。
2. It's difficult to find random uncertainty in a sentence. 用random uncertainty造句挺難的