иԇҪ~R?
ʂ俼ии~RҪ7000-8000Ҫϵ~R˸XxµyȺyȲҪdz}ʽͬ⌦xٶҲһҪиFҪ Z͌жкܶ ݡ
yһҪƪlecture 漰I(y)~R^yһЩcʂ ^ӛPӛҲǺҪ
fZԼȥQ^낀WԞZԓɆ}ˣĕr߀ǺܳҪԭǿZҪں̵ܶĕrgCϿĺ IJσM^ЗlĻش@ܿZԽM͑hҪc_ʼ
һƪСҲҪxҪ ڶƪǏ}һһӳcʂOKfиĿԇL҂߀ӢZܴһҪȥܛ}һ²֪ԼҪЩlongmankaplan߀barrone
иԇ~ôk
ȣҪW¡ЕrҵӢώS҂xrֵȻ@ĵƽr}rҪҊJRĆ~ͷֵԼĆ~~JRõ呟CеPIǻڵ~ֻҪľZ~ДǰHҲ͉и¶ǽY֔ͻÿһԒ@ģoՓľ߀Z϶y(tng)һ@ʹ҂ײ
ڶʾZ~һf^Ҫľӣˏ{һЩ¶DZ~somewhat,quite,pretty,etc.ҪW@Щ~wĦߵDĶõİס@Ĵ}rdzЎfǣxһڃȿσcȡ֮̎Zȵȱ^Ė|ֻھһ쾚̶ȵr²ſ\ҽhrgxһЩķĶԼ@µĸX_ʼ}ԺץסһЙCȥ呟ԼyXڿБ׃֮yһҊ~ץϹӰԺİl(f)]