The Long March 5 has core stages fed by liquid hydrogen and liquid oxygen, another technology route to high specific impulse.
长征5有由液态氢和液态氧，另一种技术路线，高比冲美联储的核心阶段。
The core technology of OLS is using the optical label to establish the transmission path for the data, so we can avoid the complex route management and improve the data transmission rate.
它的核心思想是使用光标签来建立数据在光网络中的传送路径，免除沿路径复杂的路由处理，从而提高数据交换速率。
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