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ʽڱϢйģIJ׳ͻƷֵIJϷḻйҲȻ͵ƣڻԵ½ԤйˮƽӹҪһԽϳʱ䷽ʵ֡
֤ȯͶʻǽ۽϶⡣й֤ȯͶʻҵչʷ̣ܶʵݱҲӦȽϼй֤ȯͶʻķˮƽп۷ȷʶйг״ٽҵijڡչ
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ǵ˰أйͶ߳лijɱԸˡйĿǰͶͶʻһ˰ŻݣˣйͶ߳лۺϳɱгȣԵIJࡣ
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ڴԣڿʽģģЧӦδ֣ϵ͵Ļ۷ֲǰڵľͶԼճĿͻɱĿǰ¿ʽҵҵк֤ȯ˾ǰԱѵʵʩͶ߽ȷ涼˴Ͷ롣
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Ϊijг֮ԴڲԵĻˮƽҪΪгģƷַḻҪˮƽͬĶηʽṹйĿǰĻʲԽСƷֽ٣ʽṹҲԵһйгķչˮƽͽṹؽԱ仯ӦͶߵһУȷгѧϰͽڳַǵĺƣٽйҵ淢չ
йģIJ׳ͻƷֵIJϷḻйҲȻ͵ƣڻԵ½
ԤйˮƽӹҪһԽϳʱ䷽ʵ֡ʵϣгĵͷˮƽҲǾڷչʵֵġΪƱͻķʣexpenseratio1980Ϊ2.2520ķչ1998Ž1.35Ϊ40ˣӦһֶ̬ġڵ۹йʵķչ
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