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- overhead line model 线路模型
- Constructs, maintains and repairs overhead line systems. 建造、保养及修理架空电线系统。
- Aluminium-magnesium-silicon alloy wire for overhead line conductors. 架空导线用铝镁硅合金导线。
- And it is certified that the device is very useful to prevent insulated overhead line breakage and insulator damage from lightning overvoltage faults. 作为配电线路中的架空绝缘电缆的过电压保护装置，可有效地防止雷害造成的断线、绝缘子损坏等事故，避免因断路器动作中断供电而影响供电可靠性。
- Track-laying and energisation of overhead lines were substantially complete. 路轨铺设工程及架空电缆通电工程已大致完成。
- PVC is abbreviation of polyvinyl chloride resinous, polyvinyl chloride is a line model thermoplastic model polymer. PVC是聚氯乙烯树脂的简称，聚氯乙烯是线型热塑型聚合物。
- At 345 kV a figure of ten times the cost of an equivalent overhead line is quoted for average suburban areas in the U. S. A., this ratio decreasing with lower voltages. 在美国一般市郊地区,引证的数据表明345kv的地下输电的等值成本为架空线路成本的10倍。电压低,此倍数可降低。
- Principle of design changing a line is: Optimize a line model, tortuous path is taken in, escape bourg, improve grade. 改线设计原则是：优化线型，弯道取在，避开村镇，提高等级。
- Uses this product to be allowed to enhance the line the anti-radar level, the nature clean effect is good, Reduce accident rates, guarantee overhead line safe operation. 使用此产品可以提高线路的防雷水平,自然清洁效果好,降低事故率,保证架空线路安全运行。
- The reflection line model is a powerful tool in assessing the fairness of a surface. 反射线模型是一种评估曲面光顺性的强有力工具。
- Conversation by overhead line, 900 miles-New York to Chicago. First commercial Strowger installation; LaPorte, Indiana, USA. Used switcher with 100 line disc-type banks. 全长900英里，从纽约到芝加哥的架空电话线开通。第一个商业化的史端乔系统在美国印第安纳州拉波特安装。使用的交换机带有100个线路排线架。
- These data are stored in the space database, which is the digital Line model (DLM) of real world. 这些数据存储在空间数据库中,成为现实地理世界的数字线化模型(DLM)。
- Note: Certain overhead lines may also be constructed with insulated conductors. 注：某些架空线路也可由绝缘导线构成。
- Luo Junhua,Nie Dingzhen,Zhang Jinxiu,et al.Overvoltage protection technology of insulated overhead line up to 35 kV[J].High Voltage Engineering,2000,26 (3):40-41. [2]罗俊华;聂定珍;张锦秀;等.;35 kV及以下架空绝缘电缆过电压保护技术[J]
- If some enters hall corridor to show beautiful line model, and the door is in to a lofty wall, make whole corridor black and frowsty, become aware into house depressive. 如有的进厅过道呈美丽的线型，而房门处对着一堵高大的墙，使整个过道黑而闷，一进屋便觉压抑。
- The purpose of this study was to construct a cell line model that bcr/abl expression can be regulated by Tet-off inducing-expression-system. 本研究为构建能由Tet-off诱导表达系统调控bcr/abl融合基因表达的细胞系,为深入研究bcr/abl融合基因功能及其调控机制提供一种有价值的细胞模型。
- The phase shift theory and transmission line model of inertance tube in the Stirling type pulse tube cooler were introduced. 摘要介绍了斯特林型脉管制冷机中惯性管调相的原理和惯性管的传输线理论模型，给出了惯性管尺寸的优化计算方法。
- A production line model is now placed in our Kowloon Merchandising Centre, you are welcome to visit our centre and take a look! 以上介绍的浓缩素生产过程之模型已摆放于九龙购货中心健尔力区内，欢迎随时参观。
- Wood poles for overhead lines - Sizes - Methods for measurement and permissible deviations. 架空线用木杆。尺寸。测量方法和允许偏差。
- Rights-of-way of overhead lines in metropolitan areas are very expensive or are prohibited entirely. 在大都市地区,架空线路走廊是非常昂贵的,或根本就受到禁止。
