etiquette

n.

礼仪，礼节；规矩；礼数；

1. The rules of etiquette are not so strict nowadays.
   如今的礼仪规则已不那么严格了。
2. Etiquette was considered very important in Victorian England.
   英国在维多利亚时代非常注重礼仪。
3. He understands well about diplomatic etiquette.
   他熟知外交礼节。
4. He dared not break the etiquette.
   他不敢破坏规矩。

Etiquette
Etiquette-based medicine
Etiquette online: from nice to necessary
Trust and etiquette in high-criticality automated systems
Issues and etiquette concerning use of shared measurement data
A spectrum etiquette protocol for efficient coordination of radio devices in unlicensed bands
Adaptive channel allocation spectrum etiquette for cognitive radio networks
Adaptive Channel Allocation Spectrum Etiquette for Cognitive Radio Networks
Spectrum co-existence of IEEE 802.11b and 802.16a networks using the CSCC etiquette protocol
Spectrum co-existence of IEEE 802.11b and 802.16a networks using reactive and proactive etiquette policies