第一代部分幼虫和第二代大部分幼虫滞育。
Some larvae of the first generation and most of the second generation were diapause.
第一代模拟和第二代数字系统支持语音通信和有限的数据通信能力。
The 1st and 2nd generation wireless telecommunication system provide voice traffic and limited data traffic.
第一代模拟和第二代数字系统支持语音通信和有限的数据通信能力。
The 1st and 2nd generation wireless telecommunication system provide voice traffic and limited data traffic.
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