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匹配段     
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  matching section
     The process of the calculation of pole parameters of 26MHz 1MeV O + RFQ accelerator in Peking University was given. This process includes the calculation of those parameters in the main part,the radial matching section and the Crandall unit. The calculated results were given at the same time.
     介绍了北京大学26MHz1MeVO+离子RFQ加速器电极参数的计算过程,该过程包括电极主要部分的参数、径向匹配段的参数和Crandal单元的参数计算3部分,并给出了计算结果。
短句来源
     Because geometrical tolerances of manufacturing hip joint prostheses matching section are usually not strict,hip joint prostheses can be manufactured without CNC machine tool.
     通常髋关节股骨侧假体匹配段尺寸公差要求并不严格 ,加工这种髋关节股骨侧假体可不采用数控加工中心。
短句来源
  “匹配段”译为未确定词的双语例句
     The taper part at the neck of the implant is processed with the number one fixture on traditional lathe,while the 3D shaped part of the implant stem is processed with the other fixture on milling manufacturing center MAHO600C.
     或在数控车床上加工出假体关节球头。 利用所设计的专用夹具,在MAHO数控加工中心MH600C上加工出假体干上与股骨髓腔匹配段的假体轮廓段,之后再用普通车床加工出假体干的圆柱段部分。
短句来源
  相似匹配句对
     A Stereo Matching Algorithm Based on Gray Level Segments *
     基于灰度的立体匹配算法
短句来源
     Match straight line based on line support region
     基于支持区域的直线匹配
短句来源
     Mix and Match
     混合和匹配
短句来源
     Matching layer of the transducer
     换能器的匹配
短句来源
     4.The facial segment.
     4.面
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  matching segment
After retrieval, each individual matching segment becomes the starting point for a document exploration.
      
For each of those choices, finding a matching segment in B is going to require a number of operations proportional to LK.
      
In MSAS, the input also includes a segmentation of the sequences, and a set of matching segment pairs.
      
Recommendations are generated based on frequent paths describing the best matching segment.
      
The described procedure can miss a matching segment that does not have a leg corresponding to the pattern's prominent leg.
      
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  matched section
In a matched section from an itg 8 nestin-cre mutant, astroglia appeared disorganized.
      
  matching section
One section was needle incised in Germany while a matching section was incised using a conventional North American incising technique.
      
A DTL will be placed downstream of the existing MEBT bender after a short matching section.
      
A quarter wave matching section was introduced into the waveguide just upstream of the coupling slot to improve the VSWR to better than 1.05.
      
Beam envelopes in the matching section are shown in Figure 5.
      
Each achromatic bend section ends in a matching section to produce the correct transverse beam shape on target.
      
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A method of shortening length of waveguide directional couplers is described. The coupling of the small holes can be increased by means of compacting the height of the narrow walls in the coupling region of a directional coupler so that we can decrease the number of the coupling holes. Since we associate stepped-impedance transformers with the coupling region and standard waveguides low input VSWR can be obtained. We only employ 15 pairs of circular holes to gain 3dB coupling at X-band and low input VSWR and...

A method of shortening length of waveguide directional couplers is described. The coupling of the small holes can be increased by means of compacting the height of the narrow walls in the coupling region of a directional coupler so that we can decrease the number of the coupling holes. Since we associate stepped-impedance transformers with the coupling region and standard waveguides low input VSWR can be obtained. We only employ 15 pairs of circular holes to gain 3dB coupling at X-band and low input VSWR and higher directivity.

为了能夠缩短波导定向耦合器的长度,而又不降低定向耦合器的性能,本文采用了压缩矩形波导窄边的方法,以增强孔的耦合。为了能与标准波导匹配,在定向耦合器中还接入了阶梯阻抗匹配段。用传输参数和散射参数分析了这种波导定向耦合器,在各孔阵为弱耦合和阻抗匹配段为小阶梯过渡的条件下获得一阶近似的各散射参数。讨论了终端负载和波导弯头的不匹配对定向耦合器各参量的影响。最后,给出了X波段3分贝耦合度的定向耦合器的设计考虑和实验结果。

It is pointed out theoretically that the prototype drop in microstrip junction circulators (or isolators) without excellent operating characteristics are due to unsatisfaction of the second circulation condition.It is proposed that the impedance matching condition can be improved by changing the height of the centre junction and length of matching sections,which lead to the improvement of the operating characteristics of the devices.A drop in isolator...

It is pointed out theoretically that the prototype drop in microstrip junction circulators (or isolators) without excellent operating characteristics are due to unsatisfaction of the second circulation condition.It is proposed that the impedance matching condition can be improved by changing the height of the centre junction and length of matching sections,which lead to the improvement of the operating characteristics of the devices.A drop in isolator that operates in Ka band is obtained,which exhibits less than 1 dB insertion loss and greater than 20 dB isolation in 2.0 GHz absolute bandwidth(30.5~32.5 GHz).

从理论上指出原型落入式微带结型环行器(或隔离器)性能不佳的原因在于第二环行条件不满足,提出通过调整中心结的高度和匹配段长度可以改善阻抗匹配状况,提高器件的性能。据此制作了一个Ka频段落入式微带隔离器,在2.0GHz绝对带宽内(30.5GHz~32.5GHz)器件的插损小于1.0dB,隔离大于20dB

A practical process plan and a couple of relative fixture for the process of artificial hip joint implants with a special shape like figure seven are introduced in this paper.The taper part at the neck of the implant is processed with the number one fixture on traditional lathe,while the 3D shaped part of the implant stem is processed with the other fixture on milling manufacturing center MAHO600C.The unique design of the two special fixture...

A practical process plan and a couple of relative fixture for the process of artificial hip joint implants with a special shape like figure seven are introduced in this paper.The taper part at the neck of the implant is processed with the number one fixture on traditional lathe,while the 3D shaped part of the implant stem is processed with the other fixture on milling manufacturing center MAHO600C.The unique design of the two special fixture with simple construction assures the accuracy of the specific parameters such as the angle and distance between neck axis and stem axis of the implant.

本文提出一种加工人工髋关节假体这一特殊零件的加工工艺方案,设计了相应的夹具及装夹方案。使用该方案及夹具,可以保证获得准确的假体颈、干夹角以及其它颈、干相对位置要求;并能在普通车床加工出颈部圆锥段和圆柱段。或在数控车床上加工出假体关节球头。利用所设计的专用夹具,在MAHO数控加工中心MH600C上加工出假体干上与股骨髓腔匹配段的假体轮廓段,之后再用普通车床加工出假体干的圆柱段部分。本文设计的加工方案与夹具的特点是工装简单,定位可靠、装夹方便,尤其是粗、精加工各工序都能保证颈、干轴线间的相对位置。

 
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