查询词典 operating characteristic

Objective To evaluate the diagnosis value of positive 99Tcm-4,9-diaza-3,3,10,10-tetramethyldodecan-2,11-dione dioxime (HL91) imaging using receiver operating characteristic curve for distinguishing the character of pulmonary neoplasms.

目的 探讨半定量分析及接受器工作特性曲线法在99Tcm 4 ，9 二氮3，3，10 ，10 四甲基十二烷2 ，11 二酮肟(HL91)肿瘤阳性显像鉴别肺部良恶性肿块中的价值。

It is also introduced the interface of the VB6.0software and the operating procedure, the simple introduce of Visual Basic programming environments and the function characteristic of the Access database management system, the process of tabling, the redaction and addition of the procedure, and the final compilations of the procedure are all included in the iatrical.

本文还简单介绍了VB6.0软件的界面及操作方法，Visual Basic编程环境和Access数据库管理系统的功能特点，表单的制作过程，程序的编写，添加和最后的编译过程。

To reveal that the operating mode of power grids and characteristic of impendence relay have significant impact on the reliability of distance protection,an operational risk evaluation model is proposed for distance protection.

指出电网运行方式和阻抗继电器的特性对距离保护运行可靠性有重要的影响，并提出了其风险评估模型。

Occurrence records from 1864 locations and 34 environmental variables from Daymet datasets were gathered, four modeling methods including Logistic Regression, Classification and Regression Trees, Genetic Algorithm for Rule-Set Prediction and maximum entropy method were used to generate potential geographic distributions for Dreissena polymorpha in the continental USA. Then three statistical criteria including area under the Receiver Operating Characteristic curve, correlation and Kappa were calculated to evaluate the performance of the models, followed by analyses of major variable contributions.

论文以1864个美国外来入侵物种斑马纹贻贝定点发生数据和开放式基础地理信息数据库Daymet的34个环境变量为主要信息源，采用逻辑斯蒂回归、分类与回归树模型、基于规则的遗传算法、最大熵法4种途径，建立美国大陆部分潜在生境预测模型，从接受者运行特征曲线下面积、Pearson相关系数、Kappa值3个方面来检验模型预测精度，在此基础上分析斑马纹贻贝的空间分布规律及其环境影响因素。

Soaraway completely automatic clean ball machine: Four the silk pair the ball completely automatic clean ball's machine performance is as follows, voltage: 380V(220V) power power source, power: 1.5(2.2)kw, installs the silk: 4(6) 2(3) ball, divides the ball way: The completely automatic electricity fuse is divided the ball way, the characteristic: The completely automatic operating mode, uses the most advanced guide block, will protect the tinsel the surface not by the abrasion, will cause the tinsel surface not to have the gloss rustily, will produce the product flower even, will be bright, is artistic, output for each hour 8(10)kg about.

腾飞全自动清洁球机：四丝双球全自动清洁球机的性能如下，电压： 380V(220V)动力电源，功率：1.5(2.2)kw，装丝：4(6)丝2(3)球，分球方式：全自动电熔断分球方式，特点：全自动操作方式，采用最先进的导丝器，保护金属丝的表面不会被刮伤，造成金属丝表面生锈没有光泽，生产出来的产品花型均匀、明亮、美观，产量为每小时8(10)kg左右。

To seek for economic,energy saving,easy operating technologies of maintaining normal lifting technology of heavy oil,based on the highly efficient heat conduction characteristic of gravity assisted wickless heat pipe,proposed heat transfer technology of wellbore with gravity assisted wickless heat pipe.

为寻求经济节能、操作简单、维持稠油在井筒中正常举升的工艺，基于重力热管高效导热原理，提出了井筒热管传热技术。

Methods 224 patients with liver biopsy and a positive HBsAg were included in this study. The AUROC of AST、ALT、AST/ALT and APRI were identified by using receiver operating characteristic curves. Sensitivity, specificity, positive and negative predictive values, and Youden Index of APRI at optima cut-off were calculated.

调查224名乙肝表面抗原阳性的乙肝患者，利用ROC曲线分析AST、ALT、AST/ALT和APRI的面积，判断APRI的最优截断点并计算不同标准的灵敏度、特异度、阳性预测值、阴性预测值、Youden指数。

On the base of model machine and productive practice, analyses the operating principle, main performance, characteristic of vacuum density separator as well as relations between parameters. develops the kinetic condition and rule of grain and stone on the screen, discusses the effect of air velocity in course of stone removal, and makes some amendment to the textbook［1］, gives some experience and method about the design of the mechanism.

在样机和大量生产实践的基础上分析了比重去石机的工作原理、主要性能、特点及各参数之间的关系，分别阐述了石子和谷粒在去石筛面上的运动条件和规律，分析了气流速度对去石效果的影响，并对教科书存在的问题进行了修正和补充，得出了一些有关机构设计方面的经验和方法。

In the second chapter, the operating principle of solid-state laser is analyzed. Based on the model of four-level system and with the space-related rate equations, the space distribution of laser beam and pump beam, the threshold pump power, the output power, the slope efficiency, the input-output characteristic and the effect of space variables on the output character are studied. Also, the introcavity second harmonic generation theory is discussed.

第二章分析了固体激光器的工作原理，以四能级系统为模型，从与空间相关的速率方程出发，研究了泵浦激光和振荡激光的空间分布、阈值功率、输出功率与斜效率、LD端面泵浦固体激光器的输入输出特性及各空间变量对输出特性的影响，并讨论了腔内二次谐波产生理论。

Characteristic: small contact gap, snap action, high sensitivity and small operating

具有微小触点间隙，快速动作、高灵敏度和微小动作行程的特点

Connectors are lines that can be anchored to particular places, called glue points , on the graphic object.

连接符，可固定在图形对象的特定的地方的线条。

Another way of putting it, too many agents have a say in each other's work, and bureaucratic rigor mortis sets in.

另一种表达是，太多的作用物在彼此的工作里都有话语权，官僚的僵尸开始抬头。