Our entire parachute system includes a main umbrella, a backup parachute and an automatic umbrella.

我们的整套跳伞系统里面，包含一个主伞一个备份伞和一个自动开伞器。

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Recovery is also automatic through the use of a parachute.

回收也自动通过使用降落伞。

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He said he was unsure whether the firing was from the Army or civilians but assumed the automatic fire could not have come from the Parachute Regiment because of the rules governing engagement in Northern Ireland at the time.

BBC: Heath unaware of risk to civilians