查询词典 accuracy of measurement

In this scheme, PICF based on higher order statistics is firstly extracted in the reduced space for effective representation of face images, and a PICF-based similarity measurement is proposed in the face image retrieval stage to ensure the efficiency of computation and the accuracy of retrieval and to eliminate the ambiguity in the order of independent features.

为确保计算有效性和检索正确率，在图像检索阶段提出一种基于PICF方法的相似性测度，可消除独立特征顺序的不确定性。

Clinical pulmonary ventilation function test, Pulmo CT measurement of vital capacity, and spiral CT scan under the control of spirometer were performed in 40 patients and 20 health adults in order to assess the accuracy of spirometrically controlled CT and to analyze CT quantitative data in correspondence with clinical pulmonary ventilation function.

为检测呼吸门控的准确性、了解定量的CT资料与肺通气功能的相关性，对患者组40例和对照组20例行临床肺通气功能检查、Pulmo CT肺活量检测和呼吸门控下螺旋CT扫描。

Currently, comprehensive scientific development and application of advanced technology in the risk management improve the accuracy of flood risk evaluation and measurement and lay the solid technological base for the establishment of flood insurance.

目前，综合学科知识的发展和先进科技手段在自然灾害风险管理领域的应用，提高了洪水风险评估与损失估算的准确率，为建立洪水保险机制奠定了技术基础。

The effects of several parameters of a digital ultrasonic borehole televiewer on system performance are analyzed, for example, those of the distance measuring error, the crack distinguishability, the side beam of the ultrasonic transducer and the wave propagation attenuation, The distance measuring error depends mainly on the accuracy of time measurement.

本文分析了数字井下超声电视系统中影响系统性能的几个主要参数，其中包括距离测量误差、系统的裂缝分辨力、超声换能器的副瓣影响以及声波的传播损耗等。

The accuracy of temperature measurement is influenced by the location of the thermocouple and the volume of the sample.

低温台上热电偶的布置位置和样品的体积都能影响测温的准确性。

The effects of unburnt fuel droplets in sample gas and adhesion of particulates on the wall on the accuracy of particulate mass measurement were studied.

同时还分析了样气中未燃油滴和微粒的壁面沉积对微粒质量测量精度的影响。

In the field of spaceborne remote sensing, a geometric collinearity equation of pushbroom sensor with the Kepler parameters of the satellite orbit and the attitudes of sensor has been developed. Testing the sensor model on a SPOT-5 imagery, the planimetric accuracy of object positioning is 83.392m on the ground. According to the orbital dynamical model and the kinematics model of satellite attitude, an algorithm of extrapolative location is developed. Testing the algorithm on CBERS-2 high resolution satellite imageries of central China, when the depth of extrapolation is 300km, the planimetric precision is 53.555m including the measurement errors as well as the modeling error over than the 568m which is the planimetric precision of systematic rectification.

航天遥感方面，利用6个卫星轨道开普勒参数和3个传感器姿态建立了推扫式卫星遥感影像的严格构像方程，经对一景SPOT-5影像实施无地面控制对地目标定位获得了83.392m的平面精度；根据遥感卫星的运动规律，提出了卫星轨道参数、传感器姿态和扫描侧视角的外推算法，用于资源二号卫星影像的外推对地目标定位，当外推深度达300km时，目标定位精度不低于50m。

The analysis of the uncertainty shows that the measurement accuracy of the spectral responsivity of infrared detector meets the requirement.

不确定度分析结果表明，InGaAs探测器光谱响应度的测量精度较高。

Finally a computer routine based on SLDMINV has an ability of simulating the measurement of induction sonde in highly deviated or horizontal wells with a borehole and invasions at the speed of about 4 min/point and with an accuracy of about 3～5％.

现已可用基于SLDMINV的程序，以约4分钟/点的速度和3～5％的精度模拟有井、有侵入的大斜度井、水平井中的感应测井响应。

To delineate the role of these factors in tissue oxygen moni tor,a multi-layered Monte-Carlo method was applied in this paper.The result of the simulation shows the accuracy of tissue oximeter decreases with the increas e of the thickness of overlaying tissue;The higher variation of SO2 itself,th e higher regional blood volume in tissue and the higher haematocrit in blood intr oduce additional error in measurement.

本文利用多层介质条件下的蒙特卡方法对影响近红外光谱组织氧检测精度的因素进行了仿真，结果表明外层覆盖组织厚度的增加导致检测精度的急剧下降，较大的局部血氧饱和度波动本身也会降低测量精度，较高的血容积和红细胞比容都对测量精度不利。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。