For greater benefit, the railway freight requires operation of double-decked container trains, making the clearance under the railway overpass insufficient.
为了提升效益,铁路货运需要开行双层集装箱列车,而上跨铁路立交桥桥下净空不足。
From purposes and clearance specifications of reserve runway, this paper points out the deficiencies in the airfield clearance regulations of reserve runway, and presents the composition of and the requirement for the reserve runway clearance area.
从备用跑道用途及其净空规定出发,指出现行备用跑道净空规定存在的问题,提出备用跑道净空区的组成和要求,并应用飞机起落航线理论,对应急起飞着陆及应急起飞备用跑道净空规格的来源进行了研究。
Detailed analysis was made on the civil airport clearance specification and its basis as well as main affecting factors.
对民用机场净空标准的主要影响因素和确定依据进行了详细分析,指出机场净空标准不是最高标准,即并非满足了该标准就意味着机场的净空条件达到了理想状况;也不是最低标准,即并非必须完全满足该标准飞机才能在机场安全运行。
On Childishness by Li Zhi in the Ming dynasty has connotations of five fields ; emptiness and nothing, naturalness , one moment of thought , for oneself and true feeling, namely, excluding traditional morality and ration.
《童心说》是李贽思想发展过程的一个必然性的重要成果,是李贽将心学的"吾心即性"说、伊斯兰教的以"净"为 真说、佛学"真空"说、老庄的"自然"说以及对"百姓日用迩言"观察之所得重新整合的结果,具有"空净"、"自然性"、"一念 心"、"为己"、"真情"的五层内涵。
the benign influence of pure air.
纯净空气的有益影响。
1. STRUCTURE OF THE CLEAN AIR ACT
一、《洁净空气法案》结构
bridge clearance
高潮时桥梁净空高度
clearway acting as buffer
用作保险道的净空道
The clear vertical space beneath a ceiling or archway;clearance.
净空高度在天花板或拱下没有物体的垂直空间；净空
Oil-Free Lubrication & Air Purification
无油润滑及空气净化
The sky is quite blue and cloudless.
天空蔚蓝，明净无云。
Fresh, pure air.
新鲜的、纯净的空气
The air here is fresh and clean.
这里的空气新鲜、纯净。
Remove air cleaner housing.
拆去空气净化器外壳。
air cleaner and silencer
空气净化器及消声器
Fresh air cleans the blood.
新鲜空气能净化血液。
They clean the air and keep water from running away.
它们净化空气，保持水土。
Trees help clean the air.
树木有助于净化空气。
The Effect of AOS-80 Air Cleaning Devices on Air Quality of Henhouse in Winter
AOS-80空气净化机对冬季鸡舍空气的净化作用
Efficacy of air-purifying system on purifying air of operating department in hospital
空气净化系统对医院手术部空气净化效果分析
Preparation of Air Purification Mineral Wool Board and Research on Purifying of Formaldehyde
净化空气矿棉板的制备及其净化甲醛性能研究
Status of Air Purification in Different Situations of Clean Operating Room
洁净手术室不同状态下空气净化状况测量