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。
2
Numerical controlled electric sparkmachine 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。
3
Having basic mold processing, electric spark, line cutting, milling machine, planer, clamp site production experience, familiar with surface treatment, heat treatment, injection molding process;