这样就保证了资源的有效利用、高性能和高可用性。
Efficient use of resource, high performance, and high availability are assured.
使用下述任何一种设置，你都可以进行有效的可用性测试。
You can do effective usability testing in any of these Settings.
在可视化设计阶段，包含可选的和潜在的用户让他们确定建议的有效性和可用性是极为重要的。
During the visual design phase, it is key to involve selected real and potential users to validate the effectiveness and usability of the proposal.
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