电池充电后可无间断使用大约3小时。
The battery has a charge life of about three hours with continuous use.
他们在设计项目不间断使用计算机程序。
They made constant use of computer programs in designing the project.
以上两种药物可同时使用，有些病畜需要使用更长的时间或间断使用。
These two drugs can be given together, and longer or intermittent courses may be required in some cats.
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