You should test this view mode for usability given the size of your portal and the screen size available for your device.

在给定门户大小和设备可用的屏幕大小之后，您应该对此视图模式的可用性进行测试。

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Test cases for security, performance, usability, translation, and such are driven by these types of documents.

测试用例的安全性、性能、可用性、转化，等等都是由这些类型的文档所驱动的。

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In each round of usability testing, you should first identify specific concerns and goals for that round of testing and develop the test to focus on those concerns and goals.

在每一轮的可用性测试中，你都应该先明确具体的测试问题和目标，针对这些目标进行测试。

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We can test for safety and usability for all manner of personal electronic devices that might get used on an airplane.

CNN: Boeing uses potatoes for in-flight wireless test

What type of policy do you have that allows me to test this to see if all these features and the usability really works for what I'm going to need it for.

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