王维洛：为什么三峡大坝非拆不可之三

其实在三峡工程决策之前，以顾问身份参与三峡工程可行性论证、并担任三峡工程初步设计总负责人的清华大学教授张光斗于1991年12月21日在人民日报上发表了《三峡工程亦早日兴建》一文指出：“目前长江荆江段防洪保证率只有二十年一遇，经荆江分洪后也只四十年一遇。”

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