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.
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。
If the availability indicator suggests that the endpoint service is available, the message is retrieved for processing.
如果可用性指示器表示端点服务可用，那么消息将被获取以进行处理。
When the failed zone comes back online, the primary and replica data grids are redistributed among all of the available zones by the catalog service to maximize high availability.
当故障区域重新上线时，主数据网格和副本数据网格通过目录服务在所有可用区域之间重新分布，从而最大化高可用性。
A message queuing system can also hide availability problems by allowing messages to be stored until the receiving system becomes available.
消息队列系统通过允许消息一直存储到接收系统变为可用为止，隐藏了可用性问题。
We did not remove the actual availability verification done before saving a request, so users will be told if the room is actually available (or not) before their request is saved.
我们并未删除在保存请求之前完成的实际可用性校验，因此在用户保存请求之前，将会得到此房间是否确实可用的消息。
Continuous availability demands that the database engine be available for processing with no perceivable downtime.
持续可用性要求数据库引擎随时可用，没有可觉察的停机时间。
Spreadsheet sheet 4, "Stacks", calculates the availability of a stack where every element must be available in order for the entire stack to be available.
电子表格4，“堆栈”，计算一个堆栈的可用性必须使它的每个元素都可用以便使整个堆栈可用。
Once the inputs are available, analysis is performed to determine if planned availability levels are achievable.
一旦输入可用，就将执行分析以确定规划的可用性级别能否达到。
The transaction manager should be able to detect the availability of the resource manager as it becomes available.
事务管理器应该在资源管理器可用时，能够检测到其可用性。
Although the same data might be available in other formats too, it is a safe bet to plan on the availability of an XML structure.
尽管同一数据的其他格式也可用，但基于XML结构的可用性进行计划是一种最安全的方式。
Providing high availability for database servers involves making the hardware itself more highly available, rather than providing additional redundant hardware.
为数据库服务器提供高可用性包括使硬件本身具有更高的可用性，而不是提供额外的冗余硬件。
Redundant capacity becomes relevant to availability calculations when you consider how to define when a cluster is and is not "available".
当考虑如何定义一个集群可用和不“可用”时冗余容量变得与可用性计算有关。
As discussed in the previous section, different options are available for performing a rolling upgrade of your high availability cluster.
如上一小节所述，可以使用不同的选项来执行您的高可用性集群的滚动升级。
A highly available application is the one that's up and running most of the time in a year, hence high availability is measured in terms of downtime throughout the year.
具有高可用性的应用程序应该在一年中的大部分时间里都处于启动且运行的状态，因而对高可用性的衡量方法就是看它在一年里的停机时间。
Making application highly available is not sufficient; we should also make the disk data highly available to achieve complete high availability.
仅仅实现应用程序的高可用性是不够的，我们还应该使磁盘数据高度可用，从而实现完整的高可用性。
More information about high availability and security issues is available in the resources section.
有关高可用性和安全问题的更多信息，请参阅“参考资料”部分。
Time-availability maps provide a listing of who is most likely to be available for a certain hour in a certain location.
时间-可用性地图提供了在特定时间特定地点最有可能取得联系的人员的清单。
Despite this tension between persistence and availability, a good URI has both; it works as both a persistent name and an available location.
尽管持久性和可用性之间存在压力，但好的URI可以同时具备这两种特性；好的URI既是一个持久性名称，又是一个可用的位置。
As additional telepresence facilities become available, smaller companies can also benefit from visibility into the availability of public virtual meetings facilities.
随着更多的网真设备推出，小型企业也能够从可用的公用虚拟会议设施中获益。
The front-desk clerk checks the availability of rooms and, if a room is available, books it.
前台的工作人员确认可入住的房间，如果房间可入住，就进行预订。
What is ideally needed is the ability to lock a resource, verify its availability, and unlock it if no longer available.
理想的方式是能锁定资源、确认其可用性并在不再使用时解除其锁定。
The guide ranks the availability of the identified medicines, and notes that 75% of the formulations included are available for purchase.
指南对所确定的药物作了评价分类，指出有75%的所列配方可供购买。
At the start of inbound message processing, the system availability indicator is set to "true", indicating that the endpoint system is available.
在入站消息处理的开始阶段，系统可用性指示器被设置为“true”，表示端点系统是可用的。
To implement true high availability, the Balance application would need to be made highly available.
为了实现真正的高可用性，需要使Balance应用程序是高可用的。
WebSphere Application Server V6.0 provides integrated high availability support in which system subcomponents, such as the transaction service, are made highly available.
WebSphereApplicationServerV6.0提供完整的高可用性支持，其中例如事务服务的系统子组件都具有高可用性。
HA Manager does not provide high availability by itself, but instead provides services used by other components to make themselves highly available.
HAManager本身不提供高可用性，而是提供其他组件使用的服务来实现其高可用性。
At the start of inbound message processing, the system availability indicator is set to true to indicate that the endpoint system is available.
在入站消息处理的开始阶段，系统可用性指示器被设置为true，表示端点系统可用。
With the various replication technologies available within PowerHA SystemMirror, maintenance of your high availability environment is pain-free.
PowerHASystemMirror中有多种复制技术可用，使得高可用性环境的维护毫不费力。
While all three are expected to be highly available, there is a pecking order for that availability, and all machines and applications must respect it.
尽管所有3个应用程序都期望拥有高可用性，但是该可用性拥有先后次序，并且所有机器和应用程序都必须遵循这个顺序。
Highly available — Through the dynamic partitioning features of Geronimo, larger clusters can be built, and the larger the cluster, the higher the availability potential.
高度可用——通过Geronimo的动态分区特性，可以构建更大的集群，而集群更大，可用性的潜力就越大。
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