They are further secured with a hitch pin for extra safety.

他们更进一步被为额外的安全以一个猛拉大头针保护。

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For extra safety, the pool contains more collateral than the value of the bond.

为了使其更具安全性，资产池中有抵押的债券要比普通债券价值大。

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The aim is to remove all of the cancer and for extra safety - some of the healthy tissue around it .

目的是要消除所有的癌症和额外的安全-的一些健康组织周围。

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Residents and rail passengers have called for extra safety measures at a rail crossing in Berkshire where seven people died in a crash.

BBC: Ufton Nervet crossing petition calls for safety measures

And collision-avoidance systems will provide an extra margin of safety for the driver of a small car who's worried about being crushed by a larger vehicle.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car

The BEA has already issued 10 new safety recommendations, including ensuring extra training for pilots on manual handling of a high-altitude stall, and says new safety recommendations will be issued in the final report on the accident, due to be published in June next year.

CNN: AF447 pilot: 'Damn it, we're going to crash'