例句與造句

1. Pavement serviceability performance
   鋪面服務(wù)績效
2. In order to adapt the maintenance activities well , this paper makes some ameliorations , as follows : ( 1 ) it is considered not so pertinent in this paper to take road user cost into account of total cost , and an advice of using pavement serviceability performance for benefit is given . ( 2 ) when evaluating the average of the road network serviceability , this paper put forward to using weighed geometric mean to calculate pqi . ( 3 ) bringing in a new idea of checking the reasonability of classifying pavement state and typical measure by transfer probability
   為盡可能使其反映實(shí)際的養(yǎng)護(hù)規(guī)律，本文在前人研究的基礎(chǔ)上，提出以下改進(jìn)： ( 1 )在建立費(fèi)用模型時(shí)，認(rèn)為在我國現(xiàn)階段，考慮用戶費(fèi)用有不妥之處，提出以路面使用性能作為用戶費(fèi)用的映象，以路面使用性能作為效益的評價(jià)指標(biāo)； ( 2 )在評價(jià)路網(wǎng)平均服務(wù)水平時(shí)，提出用加權(quán)幾何平均值來計(jì)算路面使用性能綜合評價(jià)指標(biāo)pqi ； ( 3 )提出了利用轉(zhuǎn)移概率檢查狀態(tài)的劃分和典型措施的合理性的新思想； ( 4 )在求解markov決策模型時(shí)，通常使用的方法是線性規(guī)劃法，本文闡述了另外兩種求解的方法：策略迭代法和整數(shù)規(guī)劃法。
3. It's difficult to find pavement serviceability in a sentence. 用pavement serviceability造句挺難的