Listing 7 provides the script for extracting time zone data, then building the Google Charts request.
清单7提供的脚本首先提取时区数据，然后构建Google Charts请求。
The JSR 310 API allows for time zones to be versioned, and subsequently replaced, with newer versions of time zone data.
JSR 310 API支持时区的版本化，新版的时区数据可以替换掉旧版的。
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