NS

= NanoSecond,纳(诺)秒(１０-9秒);

= Network Services, 网络服务;

= New Series, 新系列;

= New Signal, 新信号;

= New System, 新体制(系统);

= No Signal, 无[非]信号;

= NonSequenced, 非(顺)序的;

= NonStandard, 非标(准)，规格外;

= Not Signed, 无签名