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technique difficulty     
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  技术难点
     Begin by analysing the operational environment and technique character of submarine,this paper expounds the function demands and command decision aid mode,and technique difficulty of development.
     以此为目的、以潜艇信息化装备建设为目标,从分析潜艇作战的客观环境和技术特点着手,阐述了潜艇作战软件的功能需求、辅助指挥决策模式和研制开发的技术难点
短句来源
     According to the geological task and technique difficulty, small bin is used to improve seismic data resolution.
     为此,根据该区的地质任务和勘探技术难点,进行了高分辨率地震采集技术研究。 采用了有针对性的方法和技术:①用小面元来提高地震资料的横向分辨率;
短句来源
     Objective To evaluate the feasibility,safety and efficacy of interventional therapy for the pseudoaneurysm of perimembranous ventricular septal defect(VSD) with domestic thin-waist-big-side occluder devices and summarize the technique difficulty and clinical strategy.
     目的评价应用新型国产小腰大边封堵器介入治疗室间隔缺损(VSD)伴膜部瘤形成的可行性、安全性和疗效,总结其技术难点与治疗策略。
短句来源
     THE DESIGN AND TECHNIQUE DIFFICULTY OF LARGE DIAMETER MANUAL HOLING PILE IN KARST AREA
     喀斯特地区大直径人工挖孔桩设计及技术难点
短句来源
     The engineering design, geology design, main technique difficulty, operation general situation, well track measurement and control technique of the well are introduced.
     介绍了该井工程设计、地质设计、主要技术难点、施工概况、井眼轨迹测量及控制技术等。
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  技术难度
     2. The strategy of Windows DNA and the technique of COM+ and ASP are studied deep, and traditional three-layer architecture's problems of the bad security, slow speed and big technique difficulty etc. are resolved goodly.
     2.深入研究了Windows DNA策略、COM+技术以及ASP技术,较好地解决了传统三层结构安全性差、速度慢以及技术难度大等问题。
短句来源
     Now, documents in and out our country report that dyeing and finishing of Tencel fabric need specialist equipments and auxiliaries, its cost high, the technique difficulty is higher, and the process need promote perfection.
     目前国内外的文献报道Tencel纤维织物的染整加工均要采用专用设备与助剂,成本高、技术难度大并且工艺有待进一步完善。
短句来源
     Because realtime recording higher voltage level power system require some special device which can get overvoltage , and some technique difficulty exist . And 10kV distribution network is used to supply power for user directly,its distribution is extensive,equipment is more and electric insulation level is low,it is easy that overvoltage accident occur.
     因为要对10kV以上更高电压等级的过电压进行实时记录对过电压获取设备的要求高,技术难度大,并考虑到10kV配电网承担着直接向用户供电的任务,分布广、设备多、绝缘水平低和过电压出现频繁,尤其在中性点不接地系统中,更易因过电压造成绝缘事故。
短句来源
     here is great potential in raising oil recovery ratio in maturing field in East China,butthe technique difficulty is very troublesome.
     我国东部老油田提高采收率具有很大的潜力,同时技术难度也很大。
短句来源
     [Conclusion] High frequency electrocautery is valuable in treating airway obstructive focus, and complication is few, but there are some therapy danger and technique difficulty in serious ill.
     结论经纤支镜高频电刀治疗气道阻塞性病变疗效好、并发症少,气道严重阻塞的重症病例有一定技术难度和治疗风险。
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  技术困难
     This paper analyzes the defect of high order Butterworth filter network function and technique difficulty of realization, puts forward a new method of physically easy realizing of even high order filter network based on two order Butterworth filter network, which is practical in engineering field.
     本文分析了高阶Butterworth滤波网络函数的缺陷及其实现的技术困难,提出了一种以二阶巴氏滤波网络函数为基础的、物理易实现的偶数高阶滤波网络的实现方法,在工程领域有其实用价值。
短句来源
     And that in project practice,because of the technique difficulty in construction,a lot of project only set up 90 degree clasp.
     而在工程实践中 ,由于施工上的技术困难 ,很多工程都只设置成 90度弯钩。
短句来源
  技术系数
     Surgical Operation Risk and Technique Difficulty Scores
     建立手术项目医疗风险和医疗技术系数 完善医院补偿机制
短句来源

 

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    Study on control technique of beauveria bassiana to Dendrolimus punctatusWalker by applied 900t Beauveria bassiana powder to control Dendrolimus punctatus in 1,420, 000mu masson pine (Pinus massoniana) forest in 66 counties of Zhejiang province in recent 22years resulted that this method had no influence to sericulture because of different Beauveriabassiana strain. 3 technique difficulties of production were overcome: drying technique ofproduct, mechnical separation technique of spore...

    Study on control technique of beauveria bassiana to Dendrolimus punctatusWalker by applied 900t Beauveria bassiana powder to control Dendrolimus punctatus in 1,420, 000mu masson pine (Pinus massoniana) forest in 66 counties of Zhejiang province in recent 22years resulted that this method had no influence to sericulture because of different Beauveriabassiana strain. 3 technique difficulties of production were overcome: drying technique ofproduct, mechnical separation technique of spore with Beauveria bassiana and productiontechnique of high spore content beauveria. Application method were: artificial application withbeauveria powder in gauze bag, mechanical spray and aerial spray. Every October-Novemberand March- April, 0.5~1.0 kg/mu of normal powder and 1.0~10.0 g/mu of high spore contentpowder were applicated to control overwintering generation of Dendrolimus punctatus Walker.Regions of the south, southeast of Zhejiang and coastal counties were the most suitable forcontrol, the result were over 70%. Application of Beauveria bassiana had evident economiceffect, about 31,840, 000 yuan of loss had retrieved.

    白僵菌防治松毛虫研究以及二十二年来在省内66个县撒放900t白僵菌粉,防治142万余亩松林松毛虫,实践证明应用白僵菌防治马尾松毛虫不会影响养蚕业,不会增加家蚕的僵病数量,这主要是由于防治松毛虫用的是松毛虫白僵菌,它对家蚕致病力低,对松毛虫致病力高,菌株不同;放菌治虫后,白僵菌数量很快消退到原来自然界的水平;松毛虫白僵菌在自然界的数量达不到使家蚕致病的数量。白僵菌的生产解决了三大技术难点:产品干燥技术,机械分离白僵菌孢子技术和高孢粉生产技术。解决了白僵菌的生产问题。明确了使用方法:纱布袋撒粉、机械喷粉和飞机喷洒;确定了放菌量,常规菌粉0.5~1.0kg/亩,高孢粉1.0~10.0g/亩;明确了放菌时间,每年10~11月份,3~4月份防治越冬代松毛虫;浙南、浙东南、沿海县市是我省最适合应用白僵菌防治松毛虫的地区,白僵菌的防治效果在70%以上。解决了白僵菌的使用问题。全省已广泛应用白僵菌防治松毛虫,有些地区白僵菌防治面积占总防治面积的1/3,已成为我省防治松毛虫的主要手段。应用白僵菌防治松毛虫挽回损失折合人民币3184.09方元,有显著的经济效益。

    In this paper, the development situation of punching techniques for electric machine core stacking pieces at home and abroad is described. Technique difficulty,structure feature of stator segment and pole punching as well as some factor having influence on service life of dies are analyzed. A new construction of a combined die and punch process, achieved by using recent technique, is studied also.

    论述了当前国内外电机铁芯冲片冲裁工艺发展的现状,分析了大型薄板扇形片、磁极冲片冲裁中的技术难点、结构特点和影响冲裁寿命的多种因素,应用新结构、新技术实现复式冲裁新工艺的设计探讨。

    This paper introduces briefly the project's general layout and the method of breaking the back of technique difficulties of the Tianhu hydropower station in every stage's design from May, 1986 to December, 1990, which doesn't include the revised part of 1993. The power station has three natural priorities—high water head, abundant water resources and good geology condition, among them, the first is the main one. We Should make good use of these substance priorities to avoid waste. Selection of water power...

    This paper introduces briefly the project's general layout and the method of breaking the back of technique difficulties of the Tianhu hydropower station in every stage's design from May, 1986 to December, 1990, which doesn't include the revised part of 1993. The power station has three natural priorities—high water head, abundant water resources and good geology condition, among them, the first is the main one. We Should make good use of these substance priorities to avoid waste. Selection of water power resources development scheme in this region rely on the correct dividtion of total water head. We should select the best pairing between flow and water head to get the most quantity energy output annually, and select the reasonable design head. The project's building has three technique difficulties that caused by super—high head. pressure shaft, penstock and hydro machinery. The method of breaking the back of them is developing technique cooperation across profession and carrying out "technique marriage". Objectivly, the realization of the Tianhu hydropower station is the realization of its high—head priority.

    择要总结天湖水电站1986年5月至1990年12月各阶段设计中(不包括1993年的规划修订部分),关于工程总体布置和突破技术难题的途径这两方面的内容。本电站具有三大自然条件优势——总落差大、水量丰沛、地质条件好,其中落差大是主导性优势。这些物质基础优势应当充分发挥,以免浪费。本区域水力资源合理开发方案的取得,离不开对于总落差的正确划分。务使利用迳流量与电站水头两者之问得到最优的匹配,从而获得最多的设计年发电量,定出最优的电站设计水头。本电站工程建设中存在三大技术难题——压力井洞、压力钢管、水机设备,皆因超常高水头所引起。突破技术难题的途径主要是开展跨行业技术协作,实行“技术嫁接”。天湖水电站的实现,客观上是其高水头优势的实现。

     
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