1、Operation, administration and maintenance sublayer do management in data link layer.
操作、管理和維護(oam)子層實現(xiàn)以太網(wǎng)數(shù)據(jù)鏈路層中的網(wǎng)絡(luò)管理。

2、Mechanical sublayer technique has been adopted when material hardening rule is considered.
機械子層法用于材料的硬化規(guī)則。

3、Provision of the Internal Sublayer Service within the MAC Bridge.
在MAC網(wǎng)橋內(nèi)的內(nèi)部子層服務(wù)的規(guī)定。

sublayer翻譯