verification
/ˌverɪfɪˈkeɪʃn; ˌvɛrɪfɪ`keʃən/ n[U, C]
1 verifying or being verified 证实; 核实
Verification (eg Checking that weapons have been removed) could be an obstacle to an arms agreement. 裁减军备协议难以达成, 症结在於如何证实（如检查武器确已销毁）.
2 proof or evidence 证明; 证据.