In addition, 17% said they would "scale back to a lower tier" for mobile data, while 28% said the same for mobile voice.
此外，17%的人表示他们将会缩减移动数据业务支出，而28%的人表示会缩减移动语音支出。
Components should not cross tier boundaries, and services are useful for encapsulating the components within a tier, especially at the mid - and lower-level tiers.
组件不应该跨越层的边界，并且将服务封装在同一层内的组件中，这是很有价值的，特别是在中间层和较低的层中。
Other patterns will be at a lower granularity and contribute to the design of components or component interactions within a single tier.
其他模式将位于较低的粒度级别，作用于单个层次中的组件或组件交互设计。
You can choose the lower-cost single-tier configuration with the option of adding a machine (dual-tier configuration) when your team grows.
您可以选择低成本的单边配置，并且可以在团队规模扩增的情况下添加一台机器（双边配置）。
To write distributed applications, programmers must learn and use a large variety of lower-level libraries for cross-tier communication, data marshaling, synchronization, and security.
要编写分布式应用，程序员必须学习和使用针对跨层通信、数据编制、同步和安全等领域的底层类库。
United supporters were packed into the lower tier of the stadium's away end, prompting one section to surge in a panic towards the 12-foot high perimeter fence.
曼联球迷挤进球场远端的前排座位，致使一个区域人潮汹涌，有人在慌乱中翻越了12英尺高的围栏。
United supporters were packed into the lower tier of the stadium's away end, prompting one section to surge in a panic towards the 12-foot high perimeter fence.
曼联球迷挤进球场远端的前排座位，致使一个区域人潮汹涌，有人在慌乱中翻越了12英尺高的围栏。
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