版本：3.0-alpha3
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/3.0-alpha3/metricsgraphics.css
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/3.0-alpha3/metricsgraphics.js
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/3.0-alpha3/metricsgraphics.min.css
- https://cdn.bootcdn.net/ajax/libs/metrics-graphics/3.0-alpha3/metricsgraphics.min.js