1.߿I(y)܇ƷӰ푃r
ͬ߿I(y)܇ƷƕӰrMƷƵĽݠܺ𩘷صȸ߿I(y)܇ُIr^ߣȻҲͱͨa̖ҪFһЩ
2.I(y)߶ȲͬӰ푃r
ͬĸ߿I(y)܇߶ȃrϵĸ߿I(y)܇߶ȏ4-58ײͨrI(y)߶ԽߣrҲԽF
3.߿I(y)܇\ݔɱ
߿I(y)܇Ua\Mһ㶼ÑГxԽh\ݔMҲԽU߿܇СĿI(y)߀ҪU߿܇ڴĿI(y)϶Čṩ(yu)ݵăr|ۺ
4.߿܇UʹÕrg
Ӱ푸߿܇MõһؾUrgԱϸ߿I(y)܇UfrÑUrLMжrÑUrgԽLƽÿճɱԽ͡
5.߿I(y)܇Soɱ
Ŀʹõĸ߿I(y)܇࣬ʹÕrgLҪˆTMѲzžSˆTFеĸ߿܇ʹÕrg̵tSSߣҪˆTvSo