（2）Product reliability, durability and serviceability. Reliability means consistency of product performance during a certain period. Durability refers to product economic expectancy. Serviceability means the convenience of product maintenance. Products provided to consumers should possess reliability, durability and serviceability. Therefore, consumers' recognition toward product performance is influenced by the following factors: the timeliness and politeness of customer service and training.
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The structure reliability consists of three parts: safety, durability and serviceability.
结构的可靠性包括安全性、适用性和耐久性三个方面。
P Eurocode 2 is only concerned with the requirements for resistance, serviceability, durability and fire resistance of concrete structures.
欧洲规范2是有关对混凝土结构的抗力，适用性，耐久性和防火性的要求。
The tests for the ductile fracture toughness and the contact fatigue are also carried out for examining serviceability and durability of austenite-bainite ductile cast iron.
为了考察奥氏体-贝氏体球铁的可靠性和使用寿命，还进行了延性断裂韧度与接触疲劳性能的试验。
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