其疗效显著，使用便捷。
该程序具有界面好、使用便捷、准确的特点。
The program is featured by good interface, moving simply and quickly and high accuracy.
使用者可能会无法使用便捷键存取所要的控制项，而且可能会启用不想要的控制项。
The user might not be able to access the intended control by using the access key and a control other than the one that is intended might be enabled.
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