国有企业改革的重大进展和明显成效第三阶段，从１９８７年到１９９０年。这一阶段，实行承包经营责任制。这时规定了一个原则，是四句话：“保持基数，保证上交，超收多留，欠收自补。”实行的结果是，超收的可以多留，欠收的谁也不补，最后变成包盈不包亏。企业为了多创... The third phase of major progress and obvious results in the reform of state-owned enterprises was from 1987 to 1990. At this stage, the contract responsibility system will be implemented. At this time, a principle is stipulated, which is four sentences: “Keep the base, guarantee to hand in, stay in overage, and pay less for self-complementation.” As a result of the implementation, those who exceed the income may stay longer, and those who fail to pay will not make up. Baoying does not make a loss. Enterprises to create more...