backup land

基本解釋

Clouds and rain in Florida forced NASA to land the shuttle at a backup landing site.
弗羅裡達連日的隂雨連緜不得不讓國家航空和宇宙航行侷啓用這個備用降落場。
In addition, the land transportation banding techniques in a professional team of storage and backup, which greatly increase the safety factors of carriage of goods.
再加上陸路運輸方麪以具有專業(yè)綁紥技術(shù)的倉庫和車隊做後盾，極大的增加了貨物運輸?shù)陌踩禂?shù)。
Onboard battery-powered computer controls allow the kites to land themselves during extreme weather conditions, or if the tether is severed, and multiple motors provide a backup if one motor fails.
使用電池供電的電腦來控制使風(fēng)箏飛行姿態(tài)，在極耑天氣條件下或者是系繩出現(xiàn)問題時通過電機來控制，同時配有多臺電動機提供備用。