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定位特征     
相关语句
  locating feature
     The algorithm used to select locating feature, as well as the selection criterions of clamping features and fixture components are discussed.
     论述了零件定位特征确定的算法 ,夹紧特征和夹具元件的选择原则。
短句来源
     3D model based locating feature retrieval and analysis algorithm are presented. A novel part locating reasoning model based on rule reasoning and fuzzy judgment is proposed.
     给出了基于三维模型的候选定位特征信息的自动提取与分析算法,提出了基于规则推理与模糊评判相结合的工件定位方案推理算法.
短句来源
  location feature
     By means of adopting techniques of module design and parametrization design, the location feature and designing feature of welding fixture for sheet metal component of vehicle body were being studied, the classification criterion and related designing criterion of components of welding fixture for automobile body were established. The parametric component library of welding fixture for body of automobile is developed thus provided powerful support to the design of welding fixture.
     通过采用模块设计和参数化设计技术 ,研究车身薄板零件焊装夹具的定位特征和设计特征 ,建立汽车车身焊装夹具零件分类准则和相关设计准则 ,开发出汽车车身焊装夹具参数化零件库 ,为焊装夹具的设计提供有力支持。
短句来源
     Aimed at the question of metal magnetic memory(MMM),one of new development nondestructive testing method,which can not evaluate the welding cracks quantitative at present. This paper analyzed the derivative MMM signal of pre-welding cracks,extracted the location feature of welding cracks and founded the quantitative relation between derivative MMM signal and parameters of welding cracks.
     针对金属磁记忆检测技术目前尚不能对焊接裂纹进行定量的评价的问题,通过对预制焊接裂纹一阶微分后的金属磁记忆信号进行分析,找出了焊接裂纹存在定位特征,并且建立了微分后的磁记忆信号与焊接裂纹的长度及埋深的定量关系。
短句来源
     Spot inspection indicates that the welding cracks can be evaluated exactly by the location feature of derivative MMM signal.
     现场检测表明,利用一阶微分处理后的磁记忆信号定位特征,可准确地对焊接裂纹进行检测。
短句来源
  localization characteristics
     In order to investigate the localization characteristics of concealed atrioventricular accessory pathways (AP),the characteristics of retrograde P (P-) wave,RP- intervals in lead V1 and esophagus lead in 365 patients with atrioventricular reentrant tachycardia mediated by AP of different location was analyzed in this study.
     回顾分析射频消融成功的365例隐匿性房室旁道患者房室折返性心动过速时的逆传P(P-)波特点,并比较V1及食管导联的RP-(RP-V1和RP-E)间期,以探讨隐匿性房室旁道的定位特征
短句来源
  “定位特征”译为未确定词的双语例句
     The SARS case of illness infrared image(IRI) has the obvious localization characteristic and quantitative rule;
     SARS病例红外热成像(IRI)具有明显的定位特征和定量规律;
短句来源
     The test shows, that the facial features are located using the global search in approximately 70ms. Using the local search, the features were located in about 5ms.
     实验表明,用全面搜索定位面部特征大约需要70ms,用局部搜索定位特征大约5ms。
短句来源
     Cxcl15 mRNA expression in mouse tissue and localization in mouse lung
     小鼠组织中Cxcl15 mRNA表达及其在肺组织中的的定位特征
短句来源
     NUCLEAR LOCALIZATION IS REQUIRED FOR VER2 IN RESPONSE TO VERNALIZATION IN WHEAT
     小麦春化响应基因VER2的编码蛋白具有核定位特征
     MethodThe immunohistochemistry method was performed for the expression of ker-atinH (K14)、keratin7 (K7)、keratin 19 ( K19) 、AE5、MUC5AC、P63 and PC-NA ( proliferating cell nuclear antigen) on the 20 adult's conjunctival epithelium samples.
     本实验利用免疫组织化学方法对细胞角蛋白K7、K14、K19及MUC5AC、P63、PCNA、AE5在不同细胞中的特异性表达进行观察,根据这些标记物在成人结膜上皮细胞中的不同部位的表达情况和分布情况,推断成人结膜上皮干细胞的定位特征。 方法
短句来源
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  locating feature
Skp index indicates how the pth locating feature at station k contributes to the KPC variations.
      
  positioning features
The positioning features of Cascading Style Sheets can be used to position elements visually almost anywhere on a web page.
      
  location feature
The Show Location feature is located in the Marker Annotation dialog.
      
  localization characteristics
Finally, we examine the effects of correlations on the localization characteristics of relativistic fermions.
      
The localization characteristics of technetium Tc 99m plasmin were studied in experimental animals to investigate the use of99mTc-plasmin for imaging inflammatory processes.
      
In vitro assays of each of the radiopharmaceuticals in plasma clots showed99mTc-phasmin and125I-fibrinogen to have the best localization characteristics.
      
With the time-frequency localization characteristics embedded in wavelets, the time and frequency information of signals can be presented as a visualized scheme.
      
Retrieving these localization characteristics relies here on pointwise concepts as defined for closed-form constitutive relations.
      
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The tin ore deposits(occurrences) in Changpu-Jishuimen tin ore zone almost unexceptionally occur in 2nd subgroup of Lower Jurassic Jinji Group. The distribution pattern of the tin ore zone and the shape and mode of occurrence of orebodies indicate that the ore deposits are controlled by the stratigraphic horizon. The tin ore zone is restricted by the second-order fractures of the Lianhuashan fault belt, and the ore deposits and orebodies mainly occur along the NE-NEE interlayer-gliding fractures and their derivative...

The tin ore deposits(occurrences) in Changpu-Jishuimen tin ore zone almost unexceptionally occur in 2nd subgroup of Lower Jurassic Jinji Group. The distribution pattern of the tin ore zone and the shape and mode of occurrence of orebodies indicate that the ore deposits are controlled by the stratigraphic horizon. The tin ore zone is restricted by the second-order fractures of the Lianhuashan fault belt, and the ore deposits and orebodies mainly occur along the NE-NEE interlayer-gliding fractures and their derivative fissures, showing structural positioning features. The ore deposits generally underwent early and late metallogenic epochs, the first one taking place before the late Jurassic volcanism and the second at the end of Jurassic to Early Cretaceous. The ore-forming substances came from several sources but mainly from the strata. The Jinji Group was enriched in tin and some other metallogenic elements and thus served as an important source bed. The ore-forming solutions were mainly metamorphous water which however was mixed with some meteoric water. The tin deposits are of sedimentary-metamorphogenic stratabound type.

广东长埔—吉水门锡矿带内的锡矿床(点)几乎毫无例外地赋存于下侏罗统金鸡群第二亚群中,锡矿带的展布格局和矿体的形态、产状等特征说明,锡矿受地层层位控制。锡矿带受莲花山断裂带的次一级断裂制约,矿床、矿体主要产于NE-NEE向层间滑动断裂及其派生裂隙中,锡矿具有构造定位的特征。矿床一般经历了早、晚两个成矿期,第一成矿期发生于晚侏罗世火山作用之前,第二成矿期形成于晚侏罗世末期至早白垩世。成矿物质是多来源的,但主要来自地层。金鸡群地层富含锡等成矿组分,是重要的矿源层。成矿溶液以变质水为主,并有大气降水混入。锡矿床属沉积-变成层控矿床。

The resting 12 lead electrocardiograms (ECG) of 45 patients with Wolff-Parkinson-White syndrome and 30 normal persons were assessed by five criterias for locating the accessory pathway. Golden criteria was established by site of accessory pathway confirmed during epicardial mapping and absent accessory pathway from normal person. Compared five criterias of EGG with golden criteria, the idiosyncrasy of every criteria was 100% and the sensitivity of Rosenbaum's cri-terias, Gallagher's, WHO's, Lindsay's, Reddy's...

The resting 12 lead electrocardiograms (ECG) of 45 patients with Wolff-Parkinson-White syndrome and 30 normal persons were assessed by five criterias for locating the accessory pathway. Golden criteria was established by site of accessory pathway confirmed during epicardial mapping and absent accessory pathway from normal person. Compared five criterias of EGG with golden criteria, the idiosyncrasy of every criteria was 100% and the sensitivity of Rosenbaum's cri-terias, Gallagher's, WHO's, Lindsay's, Reddy's were respectively 93. 3% , 71. 1% , 64. 4% , 60% , 53. 3%. The preliminary feature for locating the accessory pathway of ECG was put forward from advantages of five criterias and observation of this report data.

选择五种文献报告的心电图房室旁道定位的标准,对30例正常人和45例经手术治愈的预激综合征患者术前心电图进行定位诊断.以心脏标测和手术证实的旁道部位和正常人无房室旁道为金标准,依据五种标准对本组资料的判定结果进行定位准确性评价.各标准特异度均为100%,其敏感度依次为:Rosenbaum标准93.3%,Gallagher标准71.1%.WHO标准64.4%,Lindsay标准60%,Reddy标准53.3%.笔者综合以上标准优点及本组资料,初步提出常见房室旁道部位定位特征.

Abstract Quite a number of algorithms for the localization of accessary pathways (AP) by surface electrocardiogram have been proposed.In the present paper 114 cases with W-P-W syndrome, the localizations of AP (58 cases on the left side, 56 on the right) have been accurately defined as all of them have been successfully ablated by radiofrequency. All these cases had 12-lead electrocardiogram in sinus rhythm. The localization of AP could be quite accurately designed by retrospective analyses of their electrocardiograms....

Abstract Quite a number of algorithms for the localization of accessary pathways (AP) by surface electrocardiogram have been proposed.In the present paper 114 cases with W-P-W syndrome, the localizations of AP (58 cases on the left side, 56 on the right) have been accurately defined as all of them have been successfully ablated by radiofrequency. All these cases had 12-lead electrocardiogram in sinus rhythm. The localization of AP could be quite accurately designed by retrospective analyses of their electrocardiograms. Three features were found to be essential for the localization, namely (1)Polarity of the delta wave at 40ms (δ40),(2) main direction of the QRS complex, and (3) transitional zone in the precordial leads.The localization of AP should first be determined by simple observation of the electrocardiogram to locate its approximate site. It is very essential that the precordial leads must be recorded at the exactly standard sites.Whether AP is on the left or right side can be located by observation of lead V1 and the position of the transitional zone, and whether AP is located anteriorly or posteriorly has to be determined by the limb leads. Details were summarized in the followings:(1) δ40 in V1 and its main deflection: All the directions of δ40s of the left sided AP were positive, while 1/3 of those of the right sided AP was +, -or ± each. 93.3% of the right sided AP was characterized by a downward (-) main deflection of V1, however, almost 100% of the left main deflection by a upward (+) with a corresponding specificrty of 96. 6%,indicating that Rosenbaums'A,B types proposed in 1945 are still practical in this respect.(2) Transitional zone: The transitional zone in 50 cases of left sided AP (83.6%) was at lead V1 or on its right side (V3r, V4r), while that of 41 cases of right sided AP (73.2%) was either on lead V2 or its left side.There was almost no overlapping. However,in 23 cases (AP on the left side in 8, on the right side in 15) the transitional zone was between leads V1 and V2. Accurate statistic method showed that when the transitional zone is exactly between V1 and V2, right sided AP should be considered in most cases.(3) limb leads:in cases with negative δ40 of lead III and aVF more than 96% of the AP were on the posterior part. When δ40s of these two leads were both positive the AP must be on the anterior part. When the AP is located on the right side δ40 in leads I and aVL are both positive; on the other hand when the AP is either on the left anterior side or on the lateral wall δ40s in these two leads are both negative and when the AP is on the postero-lateral side,δ40s in these two leads are also positive. (4) AP on the septum: This is a special problem. For the right posterior septal, right mid-septal, "latent" left posteroseptal APs, there is no characteristic finding in the ECG. Therefore in such cases one must carefully search for the AP during ablation. Right antero-septal AP corresponds to the characterisitics of right sided AP, δ40s in limb leads are all positive and the main deflections are upward.Preliminary estimation of the locations of the accessory pathway by careful observation of the surface ECG is quite helpful for subsequent radiofrequency ablation both for the technical personnel and the preparation of necessary equipments.

114例预激综合征合并室上性心动过速经射频消蚀术治愈。回顾性分析体表心电图各导联定位特征。左侧旁路偏前及偏后者的aVL和Ⅰ导的δ波依次由负向(-)变正向(+)。左前及侧位者aVL导的δ波全部为-。Ⅱ、Ⅲ、aVF导的δ波则在偏前者为+,偏后者为-。心前导联全部δ波为+。主波在V1导中91.3%朝上,移行带在V1或其右侧导联,无1例在V2及其左侧导联。右侧旁路位者aVL和Ⅰ导的δ波都是+,Ⅱ、Ⅲ、aVF导的δ波偏后者及偏前者依次由-变+。V1和V2导的δ波有十也有-,但V1导的主波全部向下,移行带在V2导的左侧者占95%,仅2例在V2,无1例在V1导及右侧。后间隔旁路包括右、左及貌似右侧实在左侧消蚀成功者,其心电图特征不够明显,要求心内精确标测定位。总之,体表心电图定位有助于术前做好技术及物质力量的准备。

 
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