罗斯卡说：“这是一种被尽量安排在人体最前端的预警系统，因为如果让大脑去反应的话恐怕会来不及。
"It's an alarm system that's as close to the front end of the organism as possible, " says Roska. "If you left it to the brain to respond, it might be too late."
前端包括氨反应所需气体的全部准备和高压蒸汽的产生。
The front-end consists of all plant sections involved in preparing the gases needed for the ammonia reaction and generating the high-pressure steam.
负载反应单元(9)可连接在臂(4)的前端和减震器支柱的上部分(2)之间，使起落架用作半摇臂式起落架。
The load reacting unit (9) may be connected between a forward end of the arm (4) and the upper portion (2) of the shock absorber strut to make the gear act as a semi-levered landing gear.
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