option for layer
图层选项
以上为机器翻译结果，长、整句建议使用 人工翻译 。
All of these systems provide for encryption capabilities as another layer of security, assuming the option is turned on and actually utilized by different agencies and operatives.
FORBES: Free Speech v. Denial Of Communications For Public Safety Agencies?
应用推荐
模块上移
模块下移
不移动