什么是zabbix jmx表达式的含义？

Question

{Template JMX Generic：jmx [＆＃34; java.lang：type = GarbageCollector，name = ParNew＆＃34;，CollectionCount] .last（0）}＆lt; {Template JMX Generic：jmx [＆＃34; java.lang中：类型= GarbageCollector，名称= ConcurrentMarkSweep＆＃34;，CollectionCount]。去年（0）}