If there is no metricgroup defined, all metrics are listed.
如果没有定义指标组,就会列出所有指标。
2
The server group(s) on which to measure that metric.
要度量指标的服务器组。
3
Recycled gold coming onto the market rose 35% to 496 metric tons as the rising price of the metal "encouraged consumers to sell their existing holdings," the group said.