潜航接近界限线 LLSUA
潜舰]潜航接近界限线 LLSUA
呼吸管航行接近界限线 LISA
世界近现代史 Modern History of the World ; Modern World History ; modern history of world economy ; Modern and Contemporary History of the World
世界近现代经济史 Modern History of World Economy
呼汲管舰行接近界限线 LLSNA
近界面缺陷 NearInterface Traps ; NITS
渐近界 asymptotic bound
渐近界限 asymptotic bound
潜水舰接近界限线 limiting submarine approahc lines
就如谚语所说煤矿里的金丝雀一样，近10,000种已知的鸟类在自然界中扮演着“晴雨表”的角色，它们的数量可以用来评价其栖息地的健康情况。
Like the proverbial canary in a coal mine, the nearly 10, 000 known bird species act as "environmental barometers" whose populations can appraise the greater well-being of their habitats.
根据瑞士保罗·谢勒研究所对近三十年世界范围内超过1800其事故的研究结果，煤炭行业是最危险的(见左边底部)。
In developed countries, coal is the most hazardous (bottom left), according to the Paul Scherrer Institute in Switzerland, which studied more than 1, 800 accidents worldwide over nearly 30 years.
全面地看，近220亿美元是蒙古GDP的四倍，是老挝GDP的两倍多，而且现在还没到年底。” 卡普尔和另一位世界银行专家菲利普.安布罗西共同撰写了这份报告。
To put this into perspective, the almost $22 billion is four times the GDP of Mongolia and more than twice the GDP of Lao PDR, and the year is not even over.
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