| A Risk Evaluation Method for the High-Technology Project Investment Based on ET-WA Operator with 2-Tuple Linguistic Information Recent countries visiting this post |  |
 | 9 | United States |
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| A Risk Evaluation Method for the High-Technology Project Investment Based on ET-WA Operator with 2-Tuple Linguistic Information Recent countries visiting this post | |
| 9 | United States |
| 1 | |
| 1 | Russian Federation |