查询词典 accuracy rate

Through the further research to the theory of the high-accuracy achromatism phase retarders,the changing curve of retardation under the different center refracting rate and different precision are obtained.

通过对高精度消色差相位延迟器理论设计的再研究，分别得到在不同中心折射率下和不同延迟精度下，延迟量随折射率改变的变化曲线。

Results Total diagnostic coincidence rate was 91.84%. Diagnostic coincidence rate and diagnostic accuracy of needle aspiration cytodiagnosis was 97.83% and 88.04%; respectively for salivary benign tumor as well as 96.36% and 78.18% respectively for salivary malignancies.

结果 针吸细胞学诊断涎腺肿瘤的总符合率为91.84%，其中良性肿瘤定性诊断符合率为97.83%，准确率88.04%；恶性肿瘤定性诊断符合率为96.36%，准确率为78.18%。

Results The ultrasonic examination's sensitivity was 95.2%, specificity 92.3%, mistakenly diagnostic rate 4.8%, omissively diagnostic rate 7.7%, and accuracy 94.7%.

结果 超声检查对腹部实质性脏器损伤诊断的敏感性95.2%、特异性92.3%、假阳性率48%、假阴性率7.7%、诊断准确性94.7%。

It is concluded that the accuracy of ST/HR hysteresis is definitely better than STend, STrec and ST/HR index because it actually represents the average difference in heart rate adjusted ST segment depression between the exercise and recovery phases regardless of the magnitude of heart rate decrease during the recovery phase

ST/HR hysteresis反映了心率校正后的运动期与恢复期的ST段差值的平均值，因而比STend、STrec和ST/HR Index三个指标均准确，值得临床推广。

The results show that the set up of the artificial neural network model to describe the different conditions and the net photosynthetic rate, transpiration rate, stomatal conductance of the complex non-linear relations with high accuracy and application value.

结果表明，所建立的人工神经网络模型对描述不同条件与净光合速率、蒸腾速率、气孔导度的复杂非线性关系方面具有较高的精度和应用价值。

The sensitivity, specificity, accuracy, false positive rate were 72.6%(53/73), 31.5%(6/19), 72.6%(53/73), 68.4%(13/19), respectively. The dynamic electrocardiogram false negative rate of a single branch coronary artery was higher than that of multibranch coronary arteries.

动态心电图检出冠心病的敏感性为72.6%(53/73)，特异性为31.5%(6/19)，阳性预测值72.6%(53/73)，阴性预测值33.3%(6/19)，预测准确性为79.3%(73/92)，假阳性率为68.4%(13/19)，假阴性率为27.4%(20/73)；冠状动脉单支病变较多支病变者易出现动态心电图假阴性。

It is proved that, while tested on short duration testing rig, the turbine power, rotation rate and flow rate require special testing method, and that, for testing the overall turbine performance, the short duration testing rig equals to, and even outruns continuous testing rig in accuracy. All the parameters need to be tested synchronically.

指出： 短周期涡轮试验在功率、转速、流量等参数的测量方法上有其特殊性；在总的涡轮性能测试指标上短周期涡轮试验完全可以达到，甚至超过连续式涡轮试验的精度；在短周期涡轮试验中，需特别注意各测量参数的同步性。

For the novel passive detecting radar system,an algorithm based on the existing algorithm of Doppler changing rate is presented to improve the locating accuracy and convergence rate.The Doppler frequency is adopted as the observed quantity,at the same time the EKF algorithm is introduced to process the initial locating results.

针对新型无源探测系统的要求，在原有多普勒频率变化率无源定位算法的基础上，为提高定位精度和收敛速度，提出了增加多普勒频率作为观测量，同时引入EKF算法对原始定位结果进行了处理。

Results: The sensitive rate and special rate of IFN-γ to diagnose tuberculosis pleural effusions were 90% and 100%, and that of ADA were 80% and 100%, the accuracy of IFN-γ and ADA were 95% and 90%.

结果：IFN-γ对结核性积液诊断的敏感度为90%，特异度为100%，正确率为95%；ADA对结核性胸腔积液诊断的敏感度为80.0%，特异度为100%，正确率为90%。

In order to obtain more exact analytical solution to study the output characteristics of double-clad fiber lasers,according to the continuous-wave rate equations of fiber lasers,using typical parameters of double-clad fiber lasers,the contribution of the re-emission effect arising from the interaction between the upper-level atoms and pump light was estimated.Taking into account the predominant part of the re-emission to improve the accuracy of the integration approximated rate equations,the integration of the product of the loss and radiation should be found and explicit analytical expressions for the output of the DCFLs and gradient efficiency of the pump radiation,were deduced,and certain issues of concern were discussed.

为了求得用于研究双包层光纤激光器输出特性的更为精确的解析解，根据稳态速率方程组，针对典型的双包层光纤激光器参量，在估计了上能级粒子再发射项和抽运光产生的影响后，采用保留再发射贡献主导部分的办法以提高可积分近似方程的精确度，明确地提出了要获得光纤激光器输出功率的解析表达式的关键在于求出损耗系数与光场乘积的积分值，简洁地求得了输出功率和抽运光斜线效率的显函数解析表达式，并对其相关问题进行了讨论，以915nm，920nm和975nm的抽运光为例，当输出激光为1090nm时，得出975nm抽运光产生的斜率效率最高并可高达约87%。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。