A state machine is really only worth implementing if the transitions between types of text require some calculation based on the content within a single state-block.
实际上，在单一状态块中，仅当文本类型之间的转移需要基于内容的计算时，才有必要实现状态机。
Equivalent normal distribution method for calculation of the reliability of machine elements, both calculation principle and application in engineering, is no doubt successful.
等效正态分布法对机械元件的可靠度计算，无论从计算原理还是到工程应用，无疑是比较成功的。
Dynamics model and calculation means of the snow plough shovel were put forward by the common machine theory calculation and practice of the machine snow plough.
根据一般机械的理论计算，结合机械除雪方式的实际，提出了除雪车除雪铲的力学模型及计算方法。
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