test distance

For Shanghai power grid, which has large short circuit capacity and short electrical distance, a method using imported instrument to test power frequency variation distance protection is presented.

结合上海电网具有短路容量大、电气距离短的特点，提出了使用进口仪器测试工频变化量距离保护的具体方法。

Usually, water delivery discharge of siphon piping is calculated by the formula(?). But in the hydraulic model test about long distance siphon piping engineering of Xinjiang, the measured discharge of the pipe is very different from the design one which is calculated by the formula.

虹吸管输水流量一般按（？）进行计算，但是在新疆某虹吸输水管路水力学模型试验中发现，对长距离正虹吸输水管道利用上式所计算得到的流量与实际测得流量值相差很大。

Students experience in the indoor test, the distance lure 5 cm, 10 cm, 15 cm Department moths gland extracts of female moths response rates were 60%, 35% and 15%, there is no response from further away.

在室内生测试验中，距离诱芯5㎝、10㎝、15㎝处，雄蛾对雌蛾性腺浸提液的反应率分别为60%、35%和15%，距离再远则没有反应。

This project gives a deep study for the relationship between field intensity of radiation interference and test distance within a same radiator.

对同一辐射体的辐射骚扰场强与测试距离的关系进行了深入的研究。

Optimization Technology of Pressure Test for the Long Distance& Hilly Pipeline in Mountain Area

山地大落差长输管道试压优化技术研究

Research on Pressure Test for Long Distance Natural Gas Pipeline

长输天然气管道试压研讨

In recent years, because of the rapid development of IT technology, the teaching model and test model of distance education have made a qualitative leap.

近些年来，由于现代互联网技术的迅猛发展，远程教育的教育、教学模式和考试模式都发生了质的飞跃。

Automatic Test Machine of Distance Between Crankshaft Neck and Top Surface of Cylinder

曲轴连杆颈到缸体顶面距离自动检测机

It was very clear in margin of all localization image. The test of distance precision was 100%.

全部定位图像病灶边缘清晰，距离检测精确度100%。

The second part was the braking distance test system.

第二部分，制动距离检测系统设计。

A photoelectric probe of measuring system to test the burst point distance of fuze behind target

引信靶后炸点距离测试仪光电探头的研制

Then, the inflation process is verified by numerical simulation with C-9 parachute, key performance parameters, such as projected area, full inflation distance and canopy deformation during inflation, are compared with test results.

其次，以C-9伞为算例进行模型验证，将计算得到的降落伞充气过程中的投影面积、充满距离以及充气过程中伞衣外形变化等关键性能参数与试验结果进行对比。

Finally, according to test characteristics, transmission distance, and power requirements, use of lithium-ion battery charger chip to complete the production of the entire system.

最后根据实验特性、传输距离、功率要求，利用锂离子电池充电芯片完成整个无线充电器的制作。

Finally, the paper focuses on system design and development situation, which contains MySQL back-end database structure and functions of the simulation system, and test electronic tag read distance, give the operation of system and experimental results.

最后，重点介绍了MySQL后台数据库的结构，仿真系统的功能实现等关键部分的设计与开发情况，并对电子标签的读取距离进行测试，给出系统的运行情况和实验结果。

Finally, the test presented can improve distance discriminance method based on GIS& RS integration that can replace artificial recognition in land use dynamic monitoring.

经试验，这种基于GIS与RS一体化变更地块判别法基本可替代土地利用动态监测中的人工判读工作。

To improve the efficiency of web test in distance education and guarantee the justice and justness of the test, we developed an online test system based on web automatization.

为了提高组织远程教育考试的效率，同时保证考试的公平性和公正性，我们开发了一套基于WEB的自动化在线考试系统。

The beginning of English unified examination ( has a test in the net) review explores a distance learning

远程教育英语统考（网考）复习初探

The dependable degree of similar distance is 71.43% by test between similar distance and introduction effect.

相似距与实际引种效果检验表明，相似距的可靠程度为71.43%。

This paper analyzes radar resolution and multi-target information acquisition and processing in test of the miss distance of spacecraft based on a single radar.

对单部雷达测量飞行器脱靶量所涉及到的雷达分辨力和多目标信息获取及处理进行了分析；

It is very important to know the dynamic distance between crankshaft neck and top surface of cylinder on assembly line of diesel engine. The purpose to test this dynamic distance is that relevant piston rod part can be chosen for assembly based on test results.

检测曲轴连杆颈到缸体顶面的动态距离的目的，是使相应的活塞连杆组件可根据检测结果被选择装配。

The cross-section hardness distribution curve of coating and corrosion resistant test show that with increasing distance between coating and interface, the coating hardness increases firstly and reaches the maximum value of 580 HV at the distance of 10 μ m from interface, and then decreases.

膜层截面硬度分布曲线和耐蚀性实验表明，膜层硬度随着膜层与界面距离的增加起初增大，在距离界面10μm处达到最大值为580HV，之后逐渐降低；

In the range test, a distance estimation model is established which can make sure of the maximum target detectable range according to the atmospheric parameters, target parameters and detector parameters.

在作用距离的测试方面，建立了作用距离估算模型，可根据大气参量，目标参量及探测器参数测算出红外搜索跟踪系统对目标的最大可探测距离。

Operating criterion and test method of ground distance relay

接地距离保护动作判据及试验方法

A significant test of genetic distance of quantitative characters

数量性状遗传距离的显著性检验

Study on model test of wide borehole distance blast in large cross-section tunnelling

大断面硐室大孔距崩落爆破技术模型试验研究

Light signal visibility test back focal distance

灯光信号显示距离测试

The principles and approaches for building Digital Terrain Model ( DTM) of GIS are presented. The test generates Digital Elevation Model ( DEM) with the distance weighted average interpolation of shifting imitation for dispersed elevation points.

介绍了GIS数字地形模型（DTM）的构造原理和方法，用离散点移动拟合距离加权平均插值方法生成了GIS数字高程模型（DEM）。

The conclusion: inconformity in the result of cardiopulmonary performance assessment to senior-high-two students using step test and middle distance race test.

结论：台阶试验和中跑测验对高二学生心肺机能评价结果不一致。

The maximum test distance is 1000 kilometers.

测试距离最长可达1000米。

At last, analyzing and studying the experimental results from a single fiber signal, the ability to test distance is measured and the basic properties of the compound eye receiving system are discussed.

最后通过实验对单个光纤信号的结果进行了分析和研究，测试了其测距能力，探讨复眼接收系统的基本性能。