Spark provides a simple and expressive programming model that supports a wide range of applications, including ETL, machine learning, stream processing, and graph computation.

它提供一套简单并富有表现力的编程模型，支持一系列应用，包括ETL（Extract，Transform and Load），机器学习，流处理，以及图谱计算。

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Numerical controlled electric spark machine tool has been widely used in model processing in recent years.

近年来数控线切割机床已经在模具加工生产中得到广泛的应用。

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Having basic mold processing, electric spark, line cutting, milling machine, planer, clamp site production experience, familiar with surface treatment, heat treatment, injection molding process;

具有模具基础加工、电火花、线切割、铣、钳、刨工暴奶门现场出产经验，认识表面处理、热处理、注模等工艺流程；

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