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标准估计误差
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  standard error of estimation
     The relationship between stature and total length of the sternum reveals a higher coefficient of correlation and a lower standard error of estimation than that from the length of the manubrium sterni and from the length of the body of the sternum.
     由胸骨全长推算身高的回归方程式,较由胸骨柄长和胸骨体长推算身高的回归方程式,有较高的相关系数和较低的标准估计误差
短句来源
  standard error of estimate
     The standard error of estimate (Sy.x) by single 49 min sample was 65.6ml/min. By using two samples (at 10 and 90 min), Sy. x-could be reduced to 20. 7ml/min.
     单份49min样本代替完整清除曲线所得结果的标准估计误差(Sy-x)为65.6ml/min,而两样本法(10和90min)的Sy·x可减小到20.7ml/min。
短句来源
     The difference between calculating density values and measuring valuts is small, the standard error of estimate is 0.0178. The measuring value may be replaced by the calculating value from output voltage getted from the micro densimeter.
     经公式计算的密度值与实测密度值之间差别不大 ,其标准估计误差为 0 .0 178,完全可以用计算密度值来代替实测密度值。
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     The methodology,robustness and limitations of the technique are set out. The average residual of estimate is 0 124 cd/m 2,and the standard error of estimate is 3 24 cd/m 2.The technique will have a bright future in application.
     文章给出了近似测量场景的亮度分布的方法 ,讨论了经验公式适用性和局限性 ,测量得到残差平均值为 0 12 4cd m2 ,标准估计误差为 3 2 4cd/m2 。
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  standard errors of estimate
     According to the linear correlation, we worked out the linear regression equations of CV/VC% and CC/TLC%, standard errors of estimate and the upper limits of the 95% confidence limits.
     据此分别计算出CV/VC%及CC/TLC%的直线回归方程式,标准估计误差及65%最高可信限。
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  “标准估计误差”译为未确定词的双语例句
     The coefficient of multiple correlation is R=0.4430;
     复相关系数(R)为0.4430,标准估计误差(SY)为0.05。
短句来源
     The r-value is higher,and the standard error is lower of estimating the stature from the hand length than frorn the foot length.
     由手长推算身高的回归方程式较由足长推算身高的回归方程式,有较高的相关系数和较低的标准估计误差
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     Another investigator analyzed the date for obtaining interob-server variability. Results:Three-dimensional echocardiographic measurements of LVEDV correlated more closely with LW of fluid method ( r = 0. 98, SEE±1. 69 ml) than did the two-dimensional Simpson' s method ( r = 0. 87, SEE±4.62 ml).
     结果:①3DE和2DE测量的LVEDV与注水法测量的LVV均高度相关,相关系数分别为0.98和0.87,标准估计误差(SEE)分别为1.69 ml和4.62 ml。
短句来源
     The regression equation built by step regression was y =11.6 x+13.8, and the standard estimative error was equal to 5.0,P=0.11. CONCLUSION: Polar heart rate monitor can be used to indirectly measure the maximal oxygen uptake easily under quiet state with few needed equipment and simple operation, which can be applied in the monitoring of competition and nationwide fitness.
     以最大心率与身体质量之比为自变量,以相对最大摄氧量为因变量,经逐步回归建立的回归方程是y=11.6x+13.8,标准估计误差=5.0,P=0.11。 结论:利用Polar心率表受试者在安静情况下就可以间接测定最大摄氧量,所需要的设备少,操作简便。
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      standard error of estimation
    The mean standard error of estimation of the experimental system was 11%.
          
    The use of these two scores permitted the assessment of the fetal age withr2 values of 0.97 and 0.96 (standard error of estimation of 1.19 and 1.36 WG).
          
    The MLR determination coefficient (r2) and the standard error of estimation for the model are 0.865 and 21.34?K, respectively.
          
    The calibrated models generated three to eight factors, R2 of 0.9414 to 0.9803, standard error of estimation (SEE) of 0.0063 to 0.0680, and SEP of 1.20 to 6.67.
          
    Of the forearm measurements, those of the radial shaft provided the best estimate of TBCa with a standard error of estimation (SEE) of 88 g (14% of the mean value) for female patients alone, and 113 g (16%) for the whole group.
          
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      standard error of estimate
    These data allow an in vivo prediction of vertebral body strength using a noninvasive method with a standard error of estimate amounting to less than 0.95 kN.
          
    The best formula was: Expected percent dose excretion at 35 min = 79.3[1-e-(0.004798 x ERPF)] with a standard error of estimate (Sy·x) of 5.2% dose.
          
    gave the lowest standard error of estimate (Sy·x) of all the methods.
          
    Standard error of estimate, bias and imprecision of different methods were evaluated.
          
    On an hourly basis, the overall standard error of estimate (SEE) and the absolute relative error (ARE) were 0.06?mm h-1 (41?W m-2) and 4.2%, respectively.
          
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      standard errors of estimate
    The standard errors of estimate comparing the predicted to measured values were low for both the physical model and the post-mortem heart data.
          
    However, the large standard errors of estimate (SEE) (0.08-0.14 g/cm2) do not allow for reliable prediction in an individual of other skeletal sites by the tibia.
          
    A feasible method for standard errors of estimate in maximum likelihood factor analysis
          
    A jackknife-like procedure is developed for producing standard errors of estimate in maximum likelihood factor analysis.
          
    The stem taper equation in this study was based on a conventional logarithmic volume equation, with the addition of one free parameter that minimized the standard errors of estimate to the observed diameter of stems at 1.0-m intervals.
          
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    The systolic time intervals (STI) in 210 normal subjects (110 males & 100 females) were measured on the simultaneously recorded electrocardiogram, carotid pulse tracing and phonocardiogram. The results are as follows: 1. The intervals of Q-S_2 (total electromechanical systole), LVET (left ventricular ejection time) and PEP (pre-ejecfion period) are remarkably inversely related to heart rate; ICT (isovolumic contraction time) and Q-S_1 (electromechanical delay) are slightly correlated with heart rate; PEP/LVET...

    The systolic time intervals (STI) in 210 normal subjects (110 males & 100 females) were measured on the simultaneously recorded electrocardiogram, carotid pulse tracing and phonocardiogram. The results are as follows: 1. The intervals of Q-S_2 (total electromechanical systole), LVET (left ventricular ejection time) and PEP (pre-ejecfion period) are remarkably inversely related to heart rate; ICT (isovolumic contraction time) and Q-S_1 (electromechanical delay) are slightly correlated with heart rate; PEP/LVET and ICT/LVET ratios do not correlate with heart rate. 2. There are significant sex differences in the parameters of Q-S_2, PEP, LVET, Q-S_1 and PEP/LVET, while ICT and ICT/LVET do not show any sex difference. 3. Q-S_2, LVET, ICT and ICT/LVET are dependent on ages. If STI are corrected with heart rate, the influence of ages may be neglected.For the purpose of correcting STI with heart rate and sex, the linear regression equa tions of STI with heart rates in male and female groups were calculated respectively. Substitute different heart rates into the equations, the values obtained will represent the normal values of STI under corresponding heart rates, the upper and lower limits being obtained with±1. 645 times standard error of estimate. Thus we constructed a table of normal values of PEP, LVET and PEP/LVET with their upper and lower limits.For practical use it is benificial to propose a rough range of normal values under moderate heart rate. According to our study, the normal values of ICT, Q-S_1, PEP, LVET, Q-S_2 are 25-45 ms, 60-80 ms, 80-110 ms, 260-340 ms and 340-440 ms respectively. ICT/LVET ratio is 0.09-0.15. PEP/LVET ratio is 0.29-0.34 in male and 0.30-0.35 in female. But it needs to correct the values with heart rate when the latter is too fast or too slow. By estimating the function of the left ventricle, one ought to keep in mind the upper limits of ICT, Q-S_1, PEP, ICT/LVET and PEP/LVET and the lower limits of LVET and Q-S_2. We considered it abnormal if the values measured are above or below these limits. Actually the more they exceed the normal ranges and the more abnormal indices appear, the greater clinical significance they have.

    用同步快速记录ECG,PCG和CPT的方法,测定了210名正常人(男110名,女100名)的心脏收缩时间间期(STI),并分析其与心率、性别和年龄的相关。结果如下:1.Q-S_2,LVET,PEP与心率呈负相关非常显著,ICT和Q-S_1与心率相关较小,这两个指标不必与心率相校正。2.Q-S_2,LVET,PEP,Q_S_1与PEP/LVET的性别差异显著,而ICT/LVET和ICT不存在性别差异。3.Q-S_2,LVET,ICT与ICT/LVET存在着年龄的影响,PEP,Q-S_1与PEP/LVET不存在年龄差异,与心率相校正后,年龄对STI的影响可以不予考虑. 为了与心率、性别相校正,分别求出了男、女组与心率有关的直线回归方程式,以不同的心率代入,所得的数值再加、减1.645倍标准估计误差作为正常值的上限或下限,并据此制作了PEP,LVET,PEP/LVET的正常数值表。 为了在实际工作中便于记忆和掌握,在中等心率时制定一个大致的正常范围是有用的。我们提出ICT,Q-S_1,PEP,LVET,Q-S_2的正常值分别为25—45ms,60—80ms,80-110ms,260—340ms和340—...

    用同步快速记录ECG,PCG和CPT的方法,测定了210名正常人(男110名,女100名)的心脏收缩时间间期(STI),并分析其与心率、性别和年龄的相关。结果如下:1.Q-S_2,LVET,PEP与心率呈负相关非常显著,ICT和Q-S_1与心率相关较小,这两个指标不必与心率相校正。2.Q-S_2,LVET,PEP,Q_S_1与PEP/LVET的性别差异显著,而ICT/LVET和ICT不存在性别差异。3.Q-S_2,LVET,ICT与ICT/LVET存在着年龄的影响,PEP,Q-S_1与PEP/LVET不存在年龄差异,与心率相校正后,年龄对STI的影响可以不予考虑. 为了与心率、性别相校正,分别求出了男、女组与心率有关的直线回归方程式,以不同的心率代入,所得的数值再加、减1.645倍标准估计误差作为正常值的上限或下限,并据此制作了PEP,LVET,PEP/LVET的正常数值表。 为了在实际工作中便于记忆和掌握,在中等心率时制定一个大致的正常范围是有用的。我们提出ICT,Q-S_1,PEP,LVET,Q-S_2的正常值分别为25—45ms,60—80ms,80-110ms,260—340ms和340—440ms,ICT/LVET比值为0.09-0.15,而PEP/LVET比值在男性为0.29—0.34,女性为0.30—0.35,但在心率过快或过慢时仍需校正。从判定左心室功能角度出发,ICT,Q—S_1,PEP,ICT/LVET和PEP/LVET着重记住其上限,Q-S_2和LVET着重记住下限。超过上限或低于下限应视为异常,超过正?

    The materials investigated were 97 maxillary first permanent molars of South Chinese.

    本文对97例华南人M~I的磨耗度、牙指数和年龄三者之间的关系进行了深入探讨。并由此而提出以牙磨耗度和牙指数为两个变量的三元回归方程。比较分析结果表明,三元相关系数高于其它二元相关系数,三元回归方程的标准估计误差低于其它二元回归方程的标准估计误差。因而,以三元回归方程式比单纯以牙指数或牙磨耗度作为变量的二元回归方程式估计年龄准确。

    In this study,determinations of plasma viscosity(Y)and its 6 chemical factors --x1 albumin, x2 globulin, x3 fibrinogen, x4 cholesterol, x5 triglyceride and x6 beta-lipo-protein were carried out in 39 subjects. Linear regression equation aswas made. The contributions of these factors to viscosity were foundin order of x2→x3→x6→x4→x5→x1. Then the progressive regressions were done at different levels of F, the main factors being chosen and the minor ones d iscarded. On verification by the coefficient of multiple...

    In this study,determinations of plasma viscosity(Y)and its 6 chemical factors --x1 albumin, x2 globulin, x3 fibrinogen, x4 cholesterol, x5 triglyceride and x6 beta-lipo-protein were carried out in 39 subjects. Linear regression equation aswas made. The contributions of these factors to viscosity were foundin order of x2→x3→x6→x4→x5→x1. Then the progressive regressions were done at different levels of F, the main factors being chosen and the minor ones d iscarded. On verification by the coefficient of multiple correlation, standard error of estimate, analysis of variance and its application, to practice, the equation was proved to be satisfactory, for it was found to coincide with actual condition as Y=0.59453+3.23404·10-4 x2+ 5.15788·10-4 x3 + 5.14465·10-4 x6. Theoretically, the above equation showed the intrinsic relation between viscosity and the main factors, and clinically it seemed to be of great help to the diagnosis and treatment of high plasma viscosity syndrome.

    本文对39例对象的血浆粘度(Y)及其六个血浆成分——白蛋白(x_1)、球蛋白(x_2),纤维蛋白原(x_3)、胆固醇(x_4)、甘油三酯(x_5)和β脂蛋白(x_6)进行了测定,并对Y和x_1~x_6进行了六元回归,还对这六个因子产生血浆粘度的贡献作了排列,依次为x_2→x_3→x_6→x_4→x_5→x_1。继之以不同的F值的界限,进行了逐步回归,选取其主要因子和剔除其次要因子,从其复相关系数、标准估计误差、方差分析并在实际应用中加以检验,最后获得的三元方程式:Y=0.59453+3.23404·10~(-4)x_2+5.15788·10~(-4)x_3+5.14465.10~(-4)x_6是与实际相符合的较为理想的方程式。这一方程在理论上反映了与血浆粘度形成有关的主要化学成分,以及粘度与其主要化学成分间的定量关系;在临床上对于诊治高粘血浆症有一定的指导意义。

     
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