Its own earlier experience of monetary stimulus since 1995, when it more than doubled the monetary base with little discernible effect on nominal growth, has left it unimpressed.

自从1995年后它拥有的货币刺激经验并没有留下可借鉴的东西- - -当它增加基础货币超过一倍的量随后名义增长并没有变化。

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The authors further noted that China doubled its coal consumption from the years 2003 to 2007, leading to a huge increase in sulfur emissions that may have had a cooling effect on the planet.

论文作者进一步指出，中国在2003到2007年间的煤消耗量加倍，导致了硫排放剧增，这可能对地球具有致冷作用。

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Based on the optical rotatory dispersion effect, an optical filter for selecting the second harmonic of a frequency-doubled laser is constructed from quartz in combination with polarizers.

针对倍频激光中存在基频光的实际情况，依据石英晶体的旋光特性，利用石英晶体和起偏棱镜的组合，设计了一种用于去除倍频激光中基频光的光学滤波器。

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The entry of China, India and the former Soviet Union into market capitalism has, in effect, doubled the world supply of workers, from 1.5 billion to 3 billion.

ECONOMIST: More pain than gain

The integration of China and other emerging economies into the world trading system has, in effect, more than doubled the global labour force, and by curbing workers' bargaining power it has restrained pay demands in most developed economies in recent years.

ECONOMIST: Why China is not to blame for the surge in global inflation

Since the mid-1990s, when tough state parity laws started taking effect, enrolment in managed mental health plans has doubled to 140 million.

FORBES: Asylum for The Insane