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главное звено (also critical, crucial, essential, important, significant, vital * Social workers provide a vital link between hospital and community. OCD Alexander Demidov) | |||
основное звено (e.g., in the chain Alexander Demidov) |
key link: 5 短语, 4 学科 |
信息安全 | 2 |
安全系统 | 1 |
技术 | 1 |
电信 | 1 |