 |
| Chinese | English |
| 万亿分之…美、法计数制 | parts per trillion |
| 万亿分率 | parts per trillion |
| 千万亿分之…美、法计数制 | parts per quadrillion |
| 千万亿分率 | parts per quadrillion |
|
| Chinese | English |
| 万亿分之…美、法计数制 | parts per trillion |
| 万亿分率 | parts per trillion |
| 千万亿分之…美、法计数制 | parts per quadrillion |
| 千万亿分率 | parts per quadrillion |