求翻译：国内生产总值是SNA 核算体系中一个重要的综合性指标，也是我国新国民经济核算体系中的核心指标。国内生产总值是反映常住单位生产活动成果的指标。一个国家或地区的经济究竟处于增长抑或衰退阶段，从GDP的变化便可以观察到。当GDP 的增长数字处于正数时，即显示该地区经济处于扩张阶段；反之，如果处于负数，即表示该地区的经济进入衰退时期了。但是，如果GDP 缩减指数大幅度地增加，便会对经济产生负面影响，同时也是货币供给紧缩、利率上升、进而外汇汇率上升的先兆。是什么意思？

GDP is an important SNA accounting system integrated indicators, is also China's new national accounting system to the core indicators. GDP reflects the resident units of production outcomes. A country or region's economic growth or a recession actually is, the change from the GDP can be observed. W

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GDP is in the SNA calculation system an important comprehensive target, also is in our

Gross domestic product is an important comprehensive index in SNA accounting system, and also a new core indicators of national economic accounting system. Gross domestic product is a reflection of outcome indicators of the production activity of resident units. A country or region's economy is in a