信息安全 信息系统安全防护技术 释文 physical security 物理安全
- flip-flop
- flip-flop circuit
- flip-flop multivibrator
- flip-flop ring
- flip-flop, trigger
- flip-flow screen
- flip light emitting diode chip
- flipped classroom
- flipper
- Flirting Scholar
- FLNG
- FLNKS
- float
- floatability
- floatage
- floatation separation
- floatation tank for wastewater treatment
- float collar
- float (cylinder) type liquid level gauge and switch
- floater
- floater structure
- float flowmeter
- float head
- floating
- floating action