In the past, space latticed truss structure was treated as a exceptional and non-traditional structure, but now is accepted as an economical and popular structure.
过去,网架结构被认为是一种异常而非传统的结构,而现在却已被普遍地接受,成为一种既经济又美观、深受喜爱的结构。
PL/SQL is a process language of ORACLE, including a complete set of data categories, conditional structure, loop structure and exceptional processing structure.
PL/SQL是ORACLE的过程化语言,包括一整套的数据类型、条件结构、循环结构和异常处理结构。
It is featured with high system capacity, low power spectral densities, exceptional multi-path immunity, simple structure and low probability of detection.
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。
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