• Doing your job well

    The laws of physics are hard to resist and the general trend is hard to change. It's no use watching the trend whine. However, real life is extremely complicated. There is always a place to h

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  • The process of technological substitution

    There is always a process involved in technology replacement:1) Finding technical possibilities;2) Finding the acceptable cost price and mass production process;3) Starting&nb

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  • It is unlikely that hydraulic technology will be completely replaced

    In addition, different applications have different focus on performance. For example, the hydraulic components work on endurance and the ship hopes to be 20 years old, while the missile

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  • The condition of technological substitution

    1) The functions and application fields must be basically the same. It is nonsense to compare cow's head with horse's leg.2) There are better cost performance or excellent performanc

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  • The examples for new technologies

    History shows that new technologies do not necessarily replace old ones. The following examples can be used for reference.1) The maglev train is suspended in the air by magnetic force, without co

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