Integrated Services Digital Network (ISDN); Signalling Systim No. 7; Signalling Connection Control Part (SCCP); interoperability test specification.

综合业务数字网(ISDN)； 7号信令；信令连接控制部分(SCCP)，互操作性测试规范。

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In construction of signalling system in station, the station conduction test needs to be done to verify the correction of signalling equipment interlocking.

在车站信号工程的施工中，开通前都要进行车站联锁导通试验，以验证信号设备联锁的正确性。

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The platform can implement complete function test and safety test for the railway signalling microcomputer interlocking software, so it can improve the safety and reliability of tested software.

运用测试平台能实现对微机联锁软件的功能测试和安全性测试，提高联锁软件的可靠性和安全性。

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Lara, who has not scored a century all series, left the field to a standing ovation and raised his bat, possibly signalling his last Test appearance in England.

BBC: SPORT | Cricket | England claim clean sweep

Edrich remained to secure his 13th Test fifty, and Compton hit the famous pull shot for the winning runs, signalling a sea of celebration rarely seen on a cricket field before or since.

BBC: Classic Ashes: The Oval