Je was op zoek naar: 核不扩散制度正面临严峻挑战 (Chinees (Vereenvoudigd) - Engels)

核不扩散制度正面临严峻挑战。
the nuclear non-proliferation regime is facing severe challenges.

国际防扩散制度面临着重大挑战。
the international non-proliferation regime faces major challenges.