billionth

1. ORD 第十亿（个）
   The billionth item in a series is the one you count as number one billion.
   1. Disney will claim its one billionth visitor before the end of the century.
      迪士尼的游客在本世纪末将会超过10亿。
2. FRACTION 十亿分之一
   A billionth is one of a billion equal parts of something.
   1. ...a billionth of a second.
      十亿分之一秒

1. Disney will claim its one billionth visitor before the end of the century.
   迪士尼的游客在本世纪末将会超过10亿。
2. The Philippines welcomed one of the world's symbolic "seven billionth" babies today, after she arrived to a celebratory cheer at a packed government-run hospital.
   10月31日凌晨，菲律宾首都马尼拉迎来意义非凡的世界第70亿人口。这位婴儿出生在马尼拉市一家公立医院里，小婴儿的降生让无数静候的人们一起欢呼庆祝。
3. Health Secretary Enrique Ona said the arrival of the world's seven billionth baby also presented the Philippines with an opportunity to assess population related issues.
   菲律宾卫生部长欧纳表示，世界上第70亿人口降生在菲律宾，也给了菲律宾一个审视人口问题的契机。
4. Also on hand to witness the landmark event was12-year-old Lorrize Mae Guevarra, who was declared the world's symbolic six billionth baby in1999 and is now in the sixth grade.
   我们也见证过60亿人口的里程碑事件：世界上第60亿人口是1999年出生在萨拉热窝的诺里斯，现年12岁的他已经上小学六年级了。
5. At that height, the atmosphere has tapered away to almost nothing less than a billionth of the pressure it is at ground level but there are still gasses there.
   在这样的高度，大气程锥形逐渐减少大气压力比地表的十亿分之一还小但这里仍然有空气存在。
6. A number of "seven billionth" babies are being honored around the world.
   世界各地都在庆祝几名所谓的“第70亿个”婴儿的降生。
7. A nucleus is about one billionth the size of an atom.
   原子核的体积大约是原子的一万亿分之一。
8. This "serial time-encoded amplified microscopy" ( steam) camera creates each image using a very short laser pulse-a flash of light only a billionth of a second long.
   这种连续时间编码放大显微术（steam）摄像机利用一个短暂的脉冲激光来生成影像，即每一次闪光仅为十亿分之一秒时间。
9. A unit of resistance equal to a billionth of an ohm.
   电阻单位等于百万分之一欧姆。
10. At zero o'clock, January 6 this year, with the cry of a baby at the Beijing Maternity Hospital, China greeted its 1.3 billionth citizen day.
    今年一月六日凌晨零点，随着北京妇产医院的一声呱呱婴啼，中国迎来了第13亿人口日。婴儿一出生即能啼哭。
11. Some seismometers are capable of detecting ground motion as small as 1 billionth of a meter, or about 40 billionth of an inch.
    一些地震检波器能探测相当于十亿分之一米或亿分之四英寸的地面运动。
12. One NM is one-1 billionth meter.
    一纳米是十亿分之一米。
13. Later this year, a seven billionth baby will be born into our world of complexity and contradiction.
    今年晚些时辰，一个新生儿将作为地球第70亿小我，来到这个复杂和矛盾的世界。
14. It's one billionth our size and it's beating us.
    它是我们的十亿分之一却能打倒我们。
15. For the recent study, analyses involved two sophisticated instruments capable of studying structures at the nanometer ( billionth of a meter) scale.
    在最近的研究中，通过使用两种精密的仪器，使得在纳米水平对结构进行研究成为可能。
16. This year, World Habitat Day falls during the month when demographers predict our planet's seven billionth inhabitant will be born.
    今年，在世界人居日所在的这个月，据人口学家预言，将诞生我们星球上第70亿个居民。
17. One billionth ( 10-9) of a gram.
    毫微克十亿分之一克（10－9）
18. Over these distances, the distortions of space are approximately a billionth the size of an atom& sufficient to cause noticeable differences in the phase of the combining light beams.
    在这麽长的距离之下，即使只有十亿分之一个原子大小的空间扭曲，也足以使光束在合并时出现相位差。
19. The energy consumed by DNA molecular biology computing is billionth of that consumed by one conventional computer.
    DNA分子生物计算所消耗的能量只有一台电子计算机完成同样计算所消耗的能量的十亿分之一；

noun

1. one part in a billion equal parts

   Synonym:    one-billionth

2. position 1,000,000,000 in a countable series of things

adj

1. the ordinal number of one billion in counting order