However, because the method is synchronized, you pay the cost of synchronization for every invocation of the method, even though it is only required on the first invocation.

尽管如此，由于该方法是synchronized的，需要为该方法的每一次调用付出同步的代价，即使只有第一次调用需要同步。

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At first, it analyzes the main idea, characteristic and the action method of the advanced production mode, brief introduce the effect to the management by promoting quality level and decreasing cost.

首先，对先进生产模式的核心思想、特征与实施方法进行了分析，简要论述了提高产品质量、降低成本对经营管理水平等方面的影响。

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Based on cost method of calculating reserves value, this paper puts forward value evaluating model of natural gas reserves (excess income general model) for the first time.

在成本法计算储量价值的基础上，首次提出了天然气的储量价值评估模型(超额收益综合模型)。

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