That was actually my next question: is performance part of the contract? It does seem that performance is important in the contract sense. People want quality of service guarantees.
这恰恰是我预备的下一个问题：契约在操作性能方面如何表述？看来，从契约角度来说，性能也是非常重要的。人们需要高质量的服务保证。
Household high-fidelity audio equipment and systems. Methods of measuring and specifying the performance. Part 1: general.
家用高保真音响设备和系统。性能检测和说明的方法。第1部分：总则。
Household high-fidelity audio equipment and systems. Methods of measuring and specifying the performance. Part 1: general.
家用高保真音响设备和系统。性能检测和说明的方法。第1部分：总则。
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