并对勃鲁宁电桥、动态基准（或取样—保持）电路以及HW-1型冲床安全保护器的主要性能作了分析。
Analyses are also presented of the Blumlain bridge, dynamic criterion circuit and main characteristics of press protector type HW-1.
文章通过对QJ35型变压比电桥的基本原理分析，探讨了在现有试验设备条件下，对该电桥正确的检定方法。
Through analyzing the basic principle of QJ35 type transformation-ratio bridge, the paper discusses the correct Assay method for this bridge under the existing test equipment condition.
在构成基本型电阻电桥传感放大器的基础上给出了三种改善其性能的方法。
Three methods used for improving resistive bridge amplifier are introduced in this paper.
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