该系统软件功能包括对服务器和个人数码助理（PDA）心电数据的收发、存储、波形显示和通信管理。
The functions of this system software include that it can realize ECG data transceiver, data memory, waveform display and communication management by using servers and Personal Digital Assistant(PDA).
确保软件质量包括测试功能、可靠性和性能。
Ensuring software quality involves testing functionality, reliability, and performance.
服务组件：这包括实现服务指定的功能的软件组件。
Service components: These contain software components that implement functionality specified by the service.
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