保险密度 Insurance Density
高度保密 pretty good privacy ; be kept in top secrecy
保护电流密度 [电] protection current density
保密制度 Confidentiality Rules and Regulations
保留密度 reserved density ; conserved density
保湿密度明显血清 hydrating density clear serum
阴极保护电流密度 cathodic protection current density
保险密度经验检验 empirical test on insurance density
保湿密度清晰的血清 hydrating density clear serum
它具有通信容量大、辐射功率密度低、抗多径干扰、结构简单、保密性能优良等特点。
It has the following features, such as large communication capacity, low radiation power density, good ability against Multi-path interference, simple structure and excellent security performance.
由于扩频信号具有功率谱密度小、抗干扰能力强、保密性好等优点，已被广泛应用于军事和非军事领域。
Spreading spectrum signals have been widely used in military and civilian fields, owning to the low power spectral density, strong anti-interference ability, good confidentiality and so on.
它具有通信容量大、辐射功率谱密度低，抗多径干扰，结构简单和保密性好等优点。
It is featured with high system capacity, low power spectral densities, exceptional multi-path immunity, simple structure and low probability of detection.
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