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主干线     
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  main trunk
     X70 wide and heavy plate produced by means of arc furnace+out-of-furnace refining+continuous casting+TMCP process meets the requirements of special technical specification for transmission of gas from west to east and is used in main trunk project of transmission of gas from west to east in large quantities.
     采用电炉+炉外精炼 +连铸 + TMCP工艺生产的 X70宽厚板满足西气东输专用技术条件的要求 ,并批量应用在西气东输主干线工程中
短句来源
     The article introduces the construction technology and its advantages of the cast-in-place engaged pile taken as the exterior-protected structure used in the construction of Qianjiang Road Underground Passing Project of the main trunk in Qianjiang New City of Hangzhou,and sums up the measures to control the construction quality.
     该文介绍了杭州市钱江新城主干线钱江路地下通道工程施工中采用钻孔咬合桩作为基坑围护结构的施工工艺及其优点,并总结了施工中进行质量控制的措施。
短句来源
     The distributing area of the medial sural cutaneous artery extended to 60~75mm medial of its main trunk.
     腓肠内侧皮动脉的分布范围可达其主干线外侧60~75mm。
短句来源
     With test instruction airspeed Vi system conduct and actions system that design that main trunk line, in detail discussed the test to instructioned airspeed to is soon the vied to constitute and of the each mold piece relation.
     以对指示空速Vi的测试系统作为设计的主干线,详细地论述了测试指示空速Vi的系统组成及各个模块之间关系。
短句来源
     Longtan Highway Tunnel is located in Baishiping-Langping section of HurongNational Main Trunk Line from Yichang to Enshi Cityin Hubei Province and is oneof key control projects in this section.
     龙潭特长公路隧道位于沪-蓉国道主干线湖北宜昌至恩施公路白氏坪至榔坪段,是本路段的重要控制性工程之一。
短句来源
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  arterial line
     Longtanhe River Bridge is a high-rise pier, long-span continuous rigid-frame bridge on the Yichang-Enshi Section (within Hubei boundaries) of the arterial line of the National Road from Shanghai to Chengdu.
     龙潭河特大桥为沪蓉国道主干线湖北宜昌至恩施公路上一座高墩大跨连续刚构桥。
短句来源
  “主干线”译为未确定词的双语例句
     [Results] Concentration of PM was 454.00 and 364.33 μg/m~3 in the industrial area and main road,respectively,and significantly higher than 340.00 μg/m~3 in the downtown or 273.67 μg/m~3 in suburban area(P<0.05 or P<0.01).
     [结果]工业区和主干线道的大气颗粒物质浓度分别为454.00μg/m3和364.33μg/m3,显著高于郊区273.67μg/m3或居民区340.00μg/m3(P<0.05或P<0.01)。
短句来源
     Conductors for the 500 kV large capacity transmission lines for the Three Gorges Project, Part Ⅱ R&D of the large cross-section conductor ACSR/AS-720/50 for the backbone line
     三峡工程500kV大容量输电线路用导线之二 主干线路大截面ACSR/AS-720/50的研制
短句来源
     This paper studies the prestressed tendon reinforcement mechanism and design optimization, based on the crag segments(K119+500~K120+130)of the national main road-GZ40(Yibing~Shuifu).
     本文以国道主干线GZ40 宜宾~水富高速公路危岩段(K119+500~K120+130)为研究背景,开展预应力锚索加固机理及设计优化研究。
短句来源
     The Analysis of the Failure Distribution Factors of the Trunk Pipeline
     管道主干线故障分布因素分析
短句来源
     Quality Assurance System of Main Pipeline Weld of West Pipeline Project in Libya
     利比亚西部管道工程主干线焊接质量保证体系
短句来源
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  trunk main
The pipeline to the Stirling Trunk Main has been routed to avoid impacts on vegetation as far as is practicable.
      
  main trunk
Here the single coronary artery with a long left main trunk was treated by bypass grafting.
      
Dogs were divided into 2 groups: group 1 in which the main trunk of the LCX was occluded to produce large infarct (n=10) and group 2 in which the distal branch of the LCX was occluded to produce small infarct (n=10).
      
Interviewee did well in the spatial structure map, which was made up of mountainous land, river and main trunk roads, the group structure took profound impression on people.
      
The sagenogenetosome underlies the plasmalemma where it evaginates to form the delimiting membrane of the main trunk element of the net.
      
1.The effects of dopamine β-hydroxylase inhibition by disulfiram on dopamine and noradrenaline concentrations were investigated at various times in the main trunk and proximal branches of the dog mesenteric artery.
      
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  main track
The only main track is located north of the AEJ along 17.5?°N both over West Africa and the Atlantic.
      
The main track and the ramification of the fistula were classified according to the anatomical Parks' classification.
      
In the ramified fistula the main track follows the Parks' classification, but ramifications can have a bizarre pattern which is not in agreement with this classification.
      
The hardness in soil, expressed by bulk density, was measured at various depth and various distances from the main track.
      
A deviation railway is also present in case an event damaged the main track.
      
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  arterial line
In 96% a central venous line, in 90% an arterial line and in 98% a urine catheter was inserted during this period.
      
Blood pressure was monitored via an arterial line.
      
Blood samples were obtained from the arterial line of the arteriovenous shunt before, 2 h after the beginning of, and at the end of hemodialysis in patients with chronic renal failure.
      
The use of the arterial line as a source for blood cultures
      
Mitoxantrone was given as four 1-min infusions at 15-min intervals into the arterial line of the perfusion system at a total dose of up to 14 mg/m2.
      
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The Qinghai-Tibet Railway runs across the Qarhan Playa (a dried salt-lake) of the Mid-Qaidam Basin, Qinghai Province, and is directly laid on the surface of a rocksalt layer up to 17m in thickness. The rocksalt layer is saturated with concentrated brine in its intercrystalline pores and the depth of the phreatic brine surface is about 0.1-0.7 m. There is a salt-karst zone near the northern margin of the playa owing to the intrusion of unsaturated phreatic and pressure water from the sandy zone outside the playa...

The Qinghai-Tibet Railway runs across the Qarhan Playa (a dried salt-lake) of the Mid-Qaidam Basin, Qinghai Province, and is directly laid on the surface of a rocksalt layer up to 17m in thickness. The rocksalt layer is saturated with concentrated brine in its intercrystalline pores and the depth of the phreatic brine surface is about 0.1-0.7 m. There is a salt-karst zone near the northern margin of the playa owing to the intrusion of unsaturated phreatic and pressure water from the sandy zone outside the playa and from the sand layer under rocksalt. The menace of the salt-karst, particularly of the subsurface karst

察尔汉盐湖干滩地区岩盐岩溶演变和铁路路基基底稳定性的研究和长期监测表明,就路基基底现状而言,隐伏溶洞变化极其缓慢,岩盐地层具有足够的承载能力,以稳态蠕变的方式缓慢下沉,可以长期保持铁路主干线的稳定性。然而,盐湖卤水矿床的大规模开采以及其它人为因素的影响将可能加速溶洞的发展,威胁铁路的安全。建议采用基底的异常下沉速率和隐伏溶洞的危险洞顶盐厚,作为路基基底稳定性长期监测的两项安全指标。

The optimal plane scheme of heating network has following characters—the shortest lengths of both total piplines and main line and minimum pipes which have large diameters. If we could find out a plane scheme which has the above characters, it is an approximate optimum or feasible plane scheme. According to the principles of determining the main line first,looking for minimum tree later,and linking the heatusers as close heat source as possibale, a very simple method was proposed for the optimization of the...

The optimal plane scheme of heating network has following characters—the shortest lengths of both total piplines and main line and minimum pipes which have large diameters. If we could find out a plane scheme which has the above characters, it is an approximate optimum or feasible plane scheme. According to the principles of determining the main line first,looking for minimum tree later,and linking the heatusers as close heat source as possibale, a very simple method was proposed for the optimization of the plane scheme.This method has used both the shartest distance and minimum tree thecry and considered the load and flow rate distribution properly.

最优的供热网路平面布置存在如下三个基本特征:(1)管网累计长度较短;(2)主干线较短;(3)粗管道限制在较低水平.如果我们能够找出具有如上三个特点的布置方案,则该方案必然接近最优.我们称这样的方案为优选方案或可行方案.本文以最短路线和最小树原理为基本手段,并根据先定主干线后求最小树和先卸载三原则,比较合理地考虑了热负荷分布和流量分配因素,建立了简单实用的热网平面布置的优选方法.

The 40 years' experience in running local periodicals of farming and forestry in Tianjin has proved that to publish a successful periodical of farming and forestry, localistic features should be stressed enormously. Moreover, the localistic features need to be incorporated with the following requirements as characteristics of the day, applicability, advanced technology, and current information.

为了办好刊物,突出地方农业科技刊物的特色,作者总结了天津农林科技刊物办刊40多年的经验,提出了应该抓住的五条线:a.要坚持放眼全国突出地方特色的主干线,b.要紧扣带有时代特色的分界线,c.要掌握实用价值的标准线,d.要不离具有先进技术的水平线,和e.抓住科技信息的高速线。

 
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