random digit dialing
| sampling
| random digit dialing | |
| adv. | 随机拨号 |
| sampling | |
| econ. | 示范 |
| hydroel.st. | 采样 |
| hydroel.st. од. | 取样; 抽样 |
| IMF. | 抽样法 |
| tech. | 样本化; 进样; 取土样 |
| textile | 签封样品; 提供样品 |
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| 随机拨号 | |||
| 随机数字拨号 | |||
| English thesaurus | |||
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| RDD | |||
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random digit dialing : 1 phrase in 1 subject |
| Statistics | 1 |