高端客户百万分率，失效模式等。
数字读取器提供直接的百万分率的高浓缩文本。
Digital readout provides direct concentration readings in PPM.
28件产品中的23件 - 82% -甲醛含量在54至610百万分率(ppm)之间。
23 out of 28 products – 82 percent – contained formaldehyde at levels ranging from 54 to 610 parts per million (ppm).
一些较为间接的记录显示，二氧化碳浓度大约从1750年开始(显著)增高，而其浓度在之前将近一万年都稳定在280百万分率上下。
Less direct records show that the rise began about 1750, and that the level was stable at around 280ppm for about 10,000 years before that.
如果我们继续按照目前的标准使用矿物燃料，到2050年全球大气中的二氧化碳含量将达到550ppm(百万分率)。这个数字是人类进入工业化社会前的两倍。
If we continue to burn fossil fuels at current rates, levels of carbon dioxide in the atmosphere will reach 550 PPM (parts per million) — double pre-industrial levels — by around 2050.
在2008年，全球平均增长2.1个百万分点，略低于2007年2.2个百万分点的增长率。
In 2008 the global average increased by 2.1ppm, slightly less than the 2.2ppm increase in 2007.
2007年有大约692名乘客丧生，而去年这一数字降到了502，空难死亡率约为百万分之0.13。
Some 692 passengers lost their lives in 2007, but this fell to 502 last year, a rate of 0.13 deaths for every million passengers carried.
在英国枪杀案因此显得极其罕见，每百万人一年只发生略多于一起，是其中一个枪杀率最低的发达国家（与其相比，美国枪杀率高达百万分之27）。
Gun murders are consequently rare, at fractionally over 1 each year per million people, one of the lowest rates in the developed world (for comparison, America's figure is 27 per million).
让我给你找个数学方面的两难问题——只剩下500个，那你的胜率怎么会是百万分之一？
Let me throw a mathematical dilemma at you - there's 500 left, well how come the odds of you winning are a million to one?
目的：儿童恶性生殖细胞肿瘤的发病率是百万分之二到三，卵黄囊瘤是其中最常见的儿童恶性生殖细胞肿瘤，约占62.7%。
Objective: malignant germ cell tumors occur in childhood at a rate of 2 to 3 cases per million children, and Yolk sac tumor accounts for the most (62.7%) of malignant germ cell tumors.
目的：儿童恶性生殖细胞肿瘤的发病率是百万分之二到三，卵黄囊瘤是其中最常见的儿童恶性生殖细胞肿瘤，约占62.7%。
Objective: malignant germ cell tumors occur in childhood at a rate of 2 to 3 cases per million children, and Yolk sac tumor accounts for the most (62.7%) of malignant germ cell tumors.
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