With the development of computer-aided test (CAT) technique, the test technique of electro-hydraulic servo valve has made a great progress, also gone up to a new high level with the appearance of virtual instruments technique.

• 随着计算机辅助测试(CAT)技术的发展，电液伺服阀性能测试技术取得了很大进步，而虚拟仪器技术的出现，更使电液伺服阀性能测试技术达到了一个新的高度。