工学 食品安全 释 food safety objective；FSO 食品安全目标 食品中的某种危害可提供或促进适当保护水平（appropriate level of protection，ALOP）的最大允许频率或浓度。食品安全目标的概念仅限于食品安全，不涉及质量。
网络与数据通信 无线网络 释文 free space optics, FSO 自由空间光束
- micro-disk laser
- microdisk laser
- microdisk transistor
- microdispersoid
- microdissection
- microdist
- microdistancer
- microdomain
- microdosimetry
- microdot
- microdrile oligochaetes
- microdrop culture
- micro-droplet
- microdroplet based technology
- microdroplet-based technology
- microdrum
- microearthquake
- microecological balance
- microeconomic policy
- Microeconomics of information
- microeffect polygene hypothesis
- micro-elastometer
- micro electrical discharge machining
- microelectrode
- microelectrode array