效率测量

The innovation of this thesis is: advanced a new method by adopting "three-ring method" to measure dynamic contact resistance of slip-ring, solved the lower measuring efficiency and inconvenience resulted in leads intertwist during the measurement of dynamic contact resistance of slip-ring.

本论文的创新点为：提出了一种用"三环法"测量导电环动态接触电阻的新测量方法，有效地解决了目前导电环动态接触电阻测量中由于导线缠绕而导致的检测效率低下、操作不便、不便较长时间观察导电环性能稳定性等问题。

Under a complicated condition in the working area,66200 physical points in total were surveyed in 65 days,in which there was no system error and the maximum error of point location survey was 0.4m,being less than permissible value.

在工区作业条件比较复杂情况下，共测定物理点 6 6 2 0 0个，测量作业 6 5d ，点位误差最大值 0 。4m ，精度小于允许值，没有系统误差。通过实践，表明该RTK测量技术测量点位准确、效率高、效益好，作业人员少，资料处理微机化程度高。

Multibeam Swath Bathymeter is a seafloor mapping device with high efficient, high accuracy and fine resolution.

多波束条带测深仪是一种高测量效率、高测量精度、高分辨率的海底地形测量设备。

Under the technology support of GPS attitude determination and tide surveying, the accuracy of depth determination can be got RMS 0.141m to relative to traditional method of bathymetric surveying.

根据 GPS 测姿技术和潮位测量技术衍生出来的无验潮模式下的水下地形测量技术，在保证测量精度的情况下，提高了作业效率，简化了工作流程。

A set of measurement system for bearing and axle journal on passenger car has been developed to fulfill the work of measuring the dimension,data saving,communication and data management,which overcomes disadvantage of manual measurement,such as low efficiencies,high cost,high labor intensity and low precision.

针对铁路客车轴承与轴颈人工测量效率低、成本高、劳动强度大、精度差等缺点，研制了一套客车轴承与轴颈尺寸的测量系统，能够完成尺寸的测量、数据存储、通信和管理工作。

Through indoor and outdoor experiments, it was proved that the designed 3-D intelligent measurement system for field landscape and Laser leveling aided decision-making support system can work stably. The 3-D intelligent measurement system can achieve an accuracy of 2cm in attitude measurement. The measurement efficiency is two times higher than that of using measure pole of imported equipments. The measurement system developed can provide basic decision-making support for laser controlled field leveling.

通过室内和室外试验表明：自主设计研发的智能三维地形测量系统和激光平地辅助决策支持系统可以正常稳定工作；智能三维地形测量系统高程测量的误差小于2cm，工作效率同比同类设备高2倍多；激光平地辅助决策支持系统能为激光平地作业提供必要的决策支持。

The traditional measurement methods such as stereoscopic law, Molls stripe law, grating cubic chart law and so on need expensive equipment and well-trained special technical staff, and they have long measurement cycle and low measurement efficiency. These shortcomings make the traditional contact measurement method hinder its wide application.

传统的自由曲面主要采用接触式测量方法，如体视法、莫尔条纹法、光栅立体图法等，这些方法需要昂贵的仪器设备和训练有素的专门技术人员，而且测量周期长、效率低，这些缺点使得传统的接触式测量方法的发展受到了限制。

Theory and calculation formulae of the turbine efficiency measuring method based on pump shaft power measuring are elucidated.

笔者首先采用热力学方法，从给水泵端着手，用测量给水泵轴功率的方法来测量给水泵汽轮机的效率，对该测量方法的原理和计算公式进行了阐述。

As a scale to measure precision and reliability, error analysis plays a very significant role in near field measurement in time domain.

随着现代通信技术和雷达技术向宽频带方向的迅速发展，短脉冲天线和超宽带天线获得了广泛应用，对与之相对应的天线测试技术也提出了更高的要求，传统的频域天线测试系统测试的频带有限，对超宽带天线测量效率较低，这就需要将频域近场测量扩展到时域近场测量。

By analyzing the torsion pendulum system's work theory and automatic measuring method, develop a suit of automatic stiffness measuring system for torsion bar, which realize torsion bar's automatic measuring, resolve the difficult in the torsion bar's produce process, improve torsion bar's produce efficient, satisfy torsion bar's passel produce request.

通过对扭摆系统的工作原理和自动测量的方法进行研究，开发了一套扭杆刚度自动测量系统，实现了扭杆刚度的自动测量，解决了扭杆生产中的瓶颈，提高了扭杆的生产效率，满足了扭杆批生产的要求。

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。