常見例句雙語例句In this paper, river shoal evolution is studied by means of modern science and technique, combined with the real projects.作者結(jié)合工程實例，以現(xiàn)代科學(xué)技術(shù)手段研究河道淺灘演變，主要內(nèi)容如下。Its conditions of water, sand and evolution is different from those of plain river shoal.此類河流淺灘來水來沙條件及演變規(guī)律均與一般平原河流淺灘明顯不同。Studying on river shoal evolution is a fundamental work in the science of water conservancy, water conservancy projects and waterways planning, designing, management and engineering feasibility.河道淺灘演變研究是河流動力學(xué)的重要組成部分，是水利學(xué)科的基礎(chǔ)性課題，也是進(jìn)行水利、水運工程規(guī)劃、設(shè)計、管理和工程可行性研究的基礎(chǔ)工作。 返回 river shoal