Experimenting with the scala command in the interactive mode (REPL) is a great way to learn the details of scala.
在交互模式(REPL)模式下来测试scala命令是学习scala细节的一个非常好的方式。
The performances on the pump nameplate were acquired through experimenting in Lab and being calculated in theories. There are great differences from that when the pump is in operation.
由于离心泵的性能是在实验室通过实验测定和计算出来的，与使用现场的性能有较大差异。
The performances on the pump nameplate were acquired through experimenting in Lab and being calculated in theories. There are great differences from that when the pump is in operation.
由于离心泵的性能是在实验室通过实验测定和计算出来的，与使用现场的性能有较大差异。
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