因此，数据源的不可用性将不会妨碍查询的执行。
Thus unavailability of data source will not obstruct execution of queries.
服务组的不可用性正是基于这类场景，这与服务组的前端服务有关。
The unavailability of a service group is based on this kind of situations that are associated with the front-end services of the service group.
由于更改服务版本时的生产中断，客户对系统不可用性产生抱怨。
System nonavailability complaints from the customers are arising due to production disruption when changing service versions.
或者是否应向终端用户通知它们的不可用性，并且因此，是否应减小维度模型的范围？
Or should end users be informed about their unavailability, and as a consequence, should the coverage of the dimensional model be reduced?
这些定制的场景通常使用由itcam forSOA提供的服务不可用性属性和指标。
These customized situations typically use the service unavailability attributes and metrics that are provided by ITCAM for SOA.
上下文缓存是减少上下文信息访问开销、降低信息传输数量、缓解连接中断引起的程序不可用性的有效途径。
Using context cache is an effective way to reduce the overhead of context access, decrease the amount of information transmission and improve the application availability when disconnections occur.
在这个FaultHandler中，我们更新系统可用性指示器来反映目标QueueManager的不可用性。
Within this Fault Handler, we update the system availability indicator to reflect the unavailability of the target Queue Manager.
元类属性的可用性是不会传递的，也就是说，元类的属性是对它的实例是可用的，但是对它的实例的实例是不可用的。
The availability of metaclass attributes is not transitive; in other words, the attributes of a metaclass are available to its instances, but not to the instances of the instances.
当然可能在保密性和完整性得到保护的情况下，入侵者仍然可能导致资源在需要时可用性降低，或根本不可用。
It is certainly possible that confidentiality and integrity are protected, but an attacker could still cause resources to be less available than required or not available at all.
在SOA让数据更易于访问的同时，因为数据质量、可用性以及不同社区在词汇上的差异，它依然可能是不可用的……
While SOA makes data more accessible, it might still be unusable due to data quality, availability, and differences in community vocabularies...
模块可用性：由于OS或系统管理问题，Parse：RecDescent可能不可用。
Module availability: Parse: : RecDescent may not be available, due to OS or system administration problems.
模块可用性：由于OS或系统管理问题，Parse：RecDescent可能不可用。
Module availability: Parse: : RecDescent may not be available, due to OS or system administration problems.
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