例句與造句

1. Information technology - cabling systems pack
   信息技術(shù).電纜敷設(shè)裝置
2. In chapter 2 , by defining some concepts , such as constraint unit , constraint aggregate , constraint relation , constraint method , constraint chain , constraint degree and associate constraint sub _ aggregate etc . the basic constraint factors that affect the complex pipeline system packing are fully analyzed in the first . in the following , a mathematical modelling method used for complex pipeline system " optimization packing design is brought forth based on the optimization target decomposing , then a mode of generalized proposal field of the complex pipeline system packing design is constructed . finally , a variant genetic algorithm for the solution of the mode mentioned above is derived
   第二章，通過定義約束元、約束集、約束關(guān)系、約束方法、約束鏈、約束度、關(guān)聯(lián)約束子集等概念，對(duì)影響復(fù)雜管線系統(tǒng)規(guī)劃布置的基本約束因素進(jìn)行了較為全面、系統(tǒng)的分析；探討了基于目標(biāo)分解的復(fù)雜管線系統(tǒng)優(yōu)化布置問題的數(shù)學(xué)描述方法，建立了面向復(fù)雜管線系統(tǒng)布置的廣義布置方案場(chǎng)模型，并在此基礎(chǔ)上設(shè)計(jì)了求解該模型的變異遺傳算法。
3. It's difficult to find system pack in a sentence. 用system pack造句挺難的