A.Excessive EMI過度的電磁干擾 B.Electrostatic charge靜電 C.Improper ventilation不恰當?shù)耐L D.Condensation冷凝 E.Irregular temperature不規(guī)則變化的溫度
A.Multifactor authentication多因素認證 B.Single factor authentication單因素認證 C.Separation of duties職責分離 D.Identification識別
A.Guards守衛(wèi) B.CCTV閉路電視監(jiān)控 C.Bollards燈箱 D.Spike strip長釘條板