常规旅游调查问卷设计在实际调查过程中会产生使用不便的问题，也可能产生一些错误的结果。
Conventionally designed travel questionnaires can bring inconvenience in practical investigation and errors may result from it.
我国各图书馆的自动化应用系统在很多方面都存在难以兼容问题，客观上形成了一种资源浪费和使用不便的势态。
Compatibility problem widely exists in many aspects of the automatic application system in our country's libraries, which has objectively formed a state of wasting resources and inconvenient use.
前窗的开关安装在仪表板上，使用不便。
The front window switches are awkwardly placed on the dashboard.
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