The inverter testing is a complicated process, and it needs a huge hardware system. The I/O data of the testing software depends on the hardware while the function and the flow depend on the object.
变频器测试是一个复杂的过程，测试软件数据的输入输出依赖于硬件，功能和流程则依赖于对象，存在软件开发周期长和维护、修改困难的问题。
While most of the environmental problems we face result from the use o f technology, society must depend upon technology to find solutions to these problems.
虽然我们面临的大多数环境问题都来源于科技的应用，我们应该依靠科技本身来寻找这些问题的解决方案。
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