The fundamental principle and methods are introduced in this paper for measurement of the Thermal Neutron Flux Rate of 300 # 1 targets with the absolute and relative measurement systems of No.

The simultaneous adjustment of the absolute and relative measurements and systematic error correction among the relative measurements have been carried out in the paper.

This article introduced the practice of combining teach- ing with dial test indicator block of a relative measure and dial test in- dicator diameter with a 1,000-foot relative measurement methods and steps.

Techniques such as symmetrical layout of three sensors,relative measuring method,and averaging of the measuring results,are presented.

The article dissertates the effects of the alignment workpiece in the designing of inspection fixture, through some detailed examples, as well as summons the main advantages of applying the alignment workpiece in the relative measuring.

The rolling guide grinding size can be measured real-time in this system using the relative measurement method with data acquisition card,industry control machine and top processing soft.

A set of on-line test system based on relative measurement method to measure dielectric loss angle tangent’s difference values between capacitive equipments in phase is developed and used in application.

Co-FastSLAM algorithm based on relative observation;

The problem of multi-robot simultaneous localization in an unknown environment based on relative observation was studied.

The study of six points relative quantitative measurement of anterior chamber depth with slit lamp;