1. An isotope of hydrogen with mass number greater than 1; deuterium or tritium.
原子质量数大于1的氢的同位素；氘或氚。
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2. Chemical element is the general term for the same type of atoms with the same massnumber.
化学元素是具有相同核电荷数的同一类原子的总称。
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3. Search the site to find in-depth information for the massnumber of animals present all over the world.
搜寻网站上找到大规模的动物数量目前在世界各地的深度信息。
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4. Bosons include mesons, nuclei of even mass number, and the particles required to embody the fields of quantum field theory.
玻色子包括介子、偶质量数的原子核以及体现量子场论中的场所需要的粒子。
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5. A radioactive isotope of cobalt with mass number '0 and exceptionally intense gamma-ray activity, used in radiotherapy, metallurgy, and materials testing.
钴的一种放射性同位素，质子数'0，具有异常强烈的伽马射线作用，用于放射疗法、冶金和材料测试。
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6. For the mass number of web pages needed to be crawled, how the information crawling system gets more web pages with good quality effectively, is related to the system performance.
信息采集系统需要采集的页面数量非常浩大，如何有效地采集到高质量的网页关乎系统性能。
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7. Such current disturbs the zero out-put basic line of the light massnumber region, so that it's very difficult to measure and record the height of spectrum peaks of the light mass number region.
这种电子流对轻质量部分质谱的零输出基线起干扰作用，致使这部分谱峰的峰高不能很好地测量和记录。
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8. All the isotopes of a given element have the same number of protons, but differ in their number of neutrons, and hence in their atomic mass.
给定元素的所有同位素都含有相同的质子数，但它们的中子数不同，因此它们的原子质量也不同。
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9. I had gained weight in the form of muscle mass, but thinking only of lowering the number on the scale, I altered my training program.
肌肉量增大，我的体重就增加了，但因为只想着降低体重称上的数字，我改变了训练计划。
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10. The number of mass shooting in the US has quickly increased in recent years.
近年来，美国的大规模枪击事件迅速增加。
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11. And, I mean literally, mass, not mole number.
我想罗嗦一下，质量，而不是摩尔数。
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12. Knowing your Body Mass Index (BMI) is the second number you should know. You need two Numbers to calculate your BMI, your height and weight.
你需要了解的第二个数字是身体质量指数(BMI)，你要用身高和体重来计算你的BM I值。
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13. That number is likely to grow as a slew of major U.S. companies have announced mass layoffs this month.
这一数字很可能会继续增长，因为一系列美国大公司本月已宣布大规模裁员。
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14. You just need a few macroscopic variables that are very familiar to you, like the pressure, the temperature, the volume, the number of moles of each component, the mass of the system.
你只需要某些你非常熟悉的宏观变量，比如压强，温度，体积，每个组分的摩尔数，系统的质量。
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15. Then I have the total mass of A divided by the number of moles of A.
然后是A的总质量,除以A的摩尔数。
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16. A number of studies have shown that the presence of a critical mass of women in senior jobs is positively correlated with a company's performance and possibly with higher profits.
一些研究表明，决策层女性占关键多数可能和公司业绩改善、利润提高有关。
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17. Construction of a mass rapid-transit railway is due to start in 2011, but with the number of passengers expected to reach just 400,000 a day by 2020 it will hardly ease the congestion.
18. "These are just the ones that we found," study co-author Bennett said. "If we could see lower-mass planets, then presumably the number would be even larger."
19. A number of medications are available to help slow bone loss and maintain bone mass, including bisphosphonates (Fosamax, Actonel, Boniva) and raloxifene (Evista).
20. So I have one mass of unit 1-- - I will tell you what that is-- and I bang that into number 2.
现在规定一单位的质量-,我会告诉你这是什么-,使它与物体2相碰。
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21. However a number of documents dating from a 1990s Russian probe into Katyn, which include the names of those who committed the mass executions, remain classified.
23. Inside these nations there will be mass prosperity, but with a large minority in serious poverty, and a small number who are very rich.
这些国家虽然呈现出欣欣向荣的态势，但是其中还有许多极端贫穷的弱势人群，还有少量富有人群。
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24. Australian scientists fear the planet is on the brink of another mass extinction as ocean dead zones continue to grow in size and number.
澳大利亚科学家担心，随着海洋死区范围和数量不断加大，地球已到了另一次大灭绝的边缘。
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25. Many are bigger than the gas giant Jupiter, but astronomers have found an increasing number of worlds close to Earth's mass, some of which may be habitable.
26. But in recent years astronomers have used radial velocity to find or confirm a number of planets down to a few times Earth's mass.
但是，近年来天文学家通过径向速度法去发现或证实大量小到只有几倍的地球质量的行星。
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27. Mass customisation USES some of the techniques of mass production; for example, its output is based on a small number of platforms, core components that underlie the product.
28. Indeed a number of carmakers are looking at ways to mass-produce cars built from composites, including BMW, which is developing a range of urban electric vehicles.
