 |
| |||
| expected valve of a random variable | |||
| expectation of a random variable | |||
| 随机变量的 期 望值: 1 phrase in 1 subject |
| Hydroelectric power stations | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips