If they do not guess correctly, they pick up their probe and try another place.
他们若是推测有误，就会拿探测器去另一个地方试试。
“It’s a lot cheaper to go pick it up on the ground than to send a space probe to go get it, ” says the director of the NASA Ames Research Center, Simon “Pete” Worden.
美国宇航局艾姆斯研究中心的主管西蒙·皮特·沃登说：“从地球表面拾掇陨石可比发送航空探测器去太空搜集样本省钱多了。”
The principle of the system is introduced and design of probe pick-up mechanism, gas control system, hardware and software have been described.
这里介绐了系统的工作原理并阐明了探头机构、气动控制部分和系统硬软件等的设计。
The principle of the system is introduced and design of probe pick-up mechanism, gas control system, hardware and software have been described.
这里介绐了系统的工作原理并阐明了探头机构、气动控制部分和系统硬软件等的设计。
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