China is planning to install scores of such systems, not just where landings and take-offs are difficult but also at congested airports.
中国正计划不仅在降落起飞困难的机场,而且还在航班繁忙的机场安装几十套这种系统。
Against a tight timeline, the teams must prepare their vehicles to make vertical take-offs, controlled flights and successful landings-and then hop back home again.
在限定的时间内,参赛队伍必须让他们的飞行器垂直起飞,成功地控制飞行和降落,然后返回。
Always try to keep the number of landings you make equal the number of take offs you've made.
经常保持降落数目与起飞数目相等。
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