在计划经济时期为保证原油生产,不计费用;
To ensure the produce in the period of planned economy, the cost is not calculated.
在计划经济时期,实际履行原则扮演着重要的角色。
The principle of specific performance played a important role in the era of planned economy.
经济手段主要是收取排污费,这又带着明显的计划经济时期色彩。
Furthermore, the main economic means of regulating the environmental pollution is "the polluter ejection fee", and this is in the color of planned economy.
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