An interim goal was set to insure that all navigable waters would be fishable and swimmable by 1983 而短期目標(biāo)是到1983年保證通航水域可以釣魚和游泳。
In regulation works of mountainous channel , determination of designed lowest navigable water level of reach with fluctuating backwater area is a common problem 摘要變動回水區(qū)河段設(shè)計最低通航水位確定是目前山區(qū)航道整治工程中經(jīng)常遇到的問題。
The maximum navigable designed water level under bridge in the usa is analyzed , and the method for calculating the maximum navigable water level in china is appraised 摘要對美國橋梁最高通航設(shè)計水位進(jìn)行分析,并對我國最高通航設(shè)計水位的計算方法進(jìn)行評議。
Their report to the general assembly was this location had beautiful and healthful surroundings , good water , abundant timber , navigable waters , and nearness to the natchez trace 密西西比州因流經(jīng)其西部幾乎整個邊界的大河而得名。在密西西比河與亞祖河之間,有著世界上最肥沃的土地。
In the federal clean water act , congress adopted a comprehensive water policy for the nation and set as a national goal the elimination of pollutant discharges to the navigable waters of the u . s . by 1985 在聯(lián)邦凈水法案中,國會采納一項針對全國的綜合水政策,并且作為到1985年消除在通航水域污物排放量的全國性目標(biāo)。