practical use value

For this experiment you'll do nothing of practical value. You won't use it to get things done.

对于这个实验来说，你不需要做任何实际价值的事情，你不用用它来处理实际的事情。

By ceiling, we mean the highest amount or maximum value of, for example, memory you can use and still make practical use of the system.

所谓上限，我们指的是您可以使用并且目前为止实际用于系统的内存的最大值或最高使用量。

Construction cost index can be widely applied to every stages of construction cost management and has considerable practical value in respect of implementation and use of BOQ.

工程造价指数可以广泛应用于工程造价管理的各个阶段，对工程量清单计价规范的推行和应用具有一定的实用价值。