We cannot expect the jvm to optimize away all the dynamicsemantics of ruby which is a different and lengthy discussion altogether.
我们不能期望JVM优化所有Ruby的动态语义，这是另一个很长的话题了。
2
Complete and formal description method of spatial relation semantics is emphasized in GIS research field. Dynamic and fuzzy spatial relations make the method very complicated.
Considering the problems in actual application, this paper proposed a kind of domain knowledge centered know-ledge discovery process model, then formalized it and described its dynamicsemantics.