效率测量

A new digital measure method was presented based on the three coordinate measuring machines. Compensation of sensor radius, establish part's measure reference frame, the best measuring layout and mix programmed scanning all those not only enhance measure precision and increase efficiency of scanning measure, but also the data can image geometrical characteristic of complex surface. The method was illuminate by a sample, and the digital data of the surface adumbration are obtained at last

在三坐标测量机的基础上给出了一种数字化测量曲面轮廓的方法，通过测球半径的补偿、坐标系的建立、最佳测量路径的规划以及混合编程扫描，提高了测量精度及扫描测量的效率，而且采集到的数据可以反映曲面的几何特征，并以实例对该方法进行说明，得到了数字化的曲面轮廓数据。

In order to improve the measuring accuracy and efficiency, a high accuracy inspecting system for measuring the centroid and centroidal deviation of bullets based on three point method is designed. The working principle, relevant calculation formulae and the measuring equipment for measuring the centroid and centroidal deviation of bullets are presented, and the main factors affecting measuring precision are discussed. Then, a multiple measuring platform with automatic leveling and column structure autorotation of 90° is put forward.

为了提高其测量精度和效率，设计了基于三点法的高精度弹丸质偏心测量系统，介绍了测量原理、计算公式和测量设备，分析了测量误差产生的因素，提出了一种多测试平台和自动调平以及弹体自动旋转90°的设计思想。

We use the computer vision measurement system to measure the surface points of a spiral bevel gear.

利用计算机视觉测量系统对螺旋锥齿轮的加工进行测量，尝试了一种新的具有较高测量精度和测量效率的非接触测量方法。

It is important to make clear whether the steel industry has the characteristic of scale economy or diseconomy of scale and the relation between efficiency and market structure which is the foundation of making reasonable industrial policy.

为此本文首先采用数据包络方法测量和分析钢铁企业技术效率、纯技术效率和规模效率，随后从企业的角度系统的分析钢铁钢铁行业市场结构、企业规模与企业效率之间的关系，得出的结论是我国主要钢铁企业存在规模不经济特征，大企业相对小企业没有效率优势；市场力量假说和效率结构假说在我国钢铁业市场均不成立。

To improve the machining efficiency and precision of convex screw s,a new method was put forward for inner whirlwind NC enveloping milling of screw curved surface.

使用轴承测量仪器完成对滚子球基面凸度测量、凸形的判定，确定了测量方法，提高测量的准确性及测量效率。

This invention provides an on-line analysis method and system for combined gas and steam cycle power station's efficiency, which comprises an on-site data-collecting unit, used to check the sub-devices state parameter in power station; a data base server linked to on-site data-collecting unit to stored the state parameter provided by data-collecting unit; modular arithmetic server used to calculate the gross operation efficiency of power station based on the data base state parameter and the influence degree caused by sub-devices property to the gross operation efficiency; client device to receive command input by clients and output the calculating result by modular arithmetic server.

本发明提供一种燃气―蒸汽联合循环发电站运行效率的在线解析方法和系统，在线解析系统包括：现场数据采集单元，用于测量电站各分设备的状态参数；与现场数据采集单元相连的数据库服务器，用于存储现场数据采集单元测量得到的状态参数；模型运算服务器，其根据从数据库提取的状态参数并计算电站的总运行效率和当前状态下电站各分设备性能对电站总运行效率的影响程度；客户机，其接收用户输入的命令并输出模型运算服务器的计算结果；网络，其将数据库、模型运算服务器和客户机连接在一起。

This paper introduces a measurement system of glottal vocal efficiency designed according to the principle of speech-to-airflow logarithmic ratio at lip developed by authors.

本文介绍了一种按作者提出的唇部语音气流对数比声门发声效率原理设计出的声门发声效率测量系统。

The positive correlation between volume and count in coincident counting and negative correlation between volume and count in noncoincident counting indicate that the sample's volume effect should be considered in counting of 32P water solution.

结果显示符合测量中体积与计数效率呈正相关关系，非符合测量中体积与计数效率呈负相关关系。提示在进行此类测量时，为了保证结果的准确可靠，须保持样品体积的一致或选用样品体积不敏感区间。

The frequencies of both the MILOs are the same 3.9GHz. In the primary experimental studies of the CV-MILO and CD-MILO, the microwave power, the frequency, and the mode are measured, and the relations between the microwave radiation and the beam parameters are investigated.

初步实验结果为：CD-MILO在550kV、43kA的束流情况下，测量到功率为300MW、频率为5GHz的TEM模微波输出，效率1.3％；而与其相应的CV-MILO在540kV、42kA的束流情况下，测量到的微波功率提高到510MW，效率为2.3％，其模式和频率与CD-MILO一致。

There are many factors affecting mountain seismic survey accuracy and efficiency there, i.e. the height accuracy of GPS survey and the operating efficiency under the conditions of forest-covered area and rough topography.

影响山地地震测量精度和作业效率的因素很多，主要是GPS测量的高程精度、森林覆盖区、恶劣地形条件下的作业效率等问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。