防扩散问题 nonproliferation issues

政治外交手段解决防扩散问题 political and diplomatic settlement of non-proliferation issues

消防问题 fire control problem ; fire problems

防御方式问卷 DSQ ; Defense Style Questionnaire

治疗和预防问题皮肤 To Treat & Prevent Minor Skin Problems

防务问题 defence affairs

防御机制问卷 DSQ

网络访问防护 Network Access Protection

区域联防站位问题 Zone Defense Spacing