The only invalidation mechanism that WebSphere Portal USES for remote caches is expiration timeout.
WebSphere Portal为远程缓存所使用的唯一失效机制是过期超时。
Impact and vibration will reduce the precision of CAM mechanism, result in invalidation of CAM mechanism.
从动件运动时产生的冲击和振动会造成凸轮机构传动精度的降低，使凸轮传动系统产生失效。
The invalidation of the effect of column outlet was researched with slip mechanism, for the investigation on the cause of forming tailing peak and leading peak.
本文以滑移机理研究“柱出口效应”失效的机制，以探讨伸舌色谱峰和拖尾色谱峰的形成机理。
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