In line 109, the polyline element is started, and an initial point is drawn at the origin of the axis.

第 109 行是 polyline 元素的起点，它与坐标轴的原点重合。

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JSR-109 defines a standard representation for XML schema type definition and element declaration in the JAX-RPC mapping file. Both of them are mapped to the java-xml-type-mapping element.

JSR - 109为JAX - RPC映射文件中的XML模式类型定义和元素声明定义了一个标准表示法。

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