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...spacecraft guidance systems weighing only a few grams...是什么意思？

...spacecraft guidance systems weighing only a few grams...

仅有几克重的宇宙飞船导航系统

相关词汇
spacecraft guidance systems Weighing only few grams

spacecraft

n. [航天]宇宙飞船，航天器；

guidance

n. 指导，引导，导航，领

systems

n. [物理化学]系( system的名词复数 )，制度，身体，系统；

Weighing

n. 称（量重），权衡，权重，悬浮；v. 称…的重量( weigh的现在分词 )，重达，权衡，考虑，有…重；

only

adj. 唯一的，仅有的，最好的，最适当的；adv. 只，仅仅，结果却，不料；conj. 但是，可是，要不是；

few

adj. 很少的，很少，（与复数名词和复数动词连用）有些，几乎没有的；pron. 很少，有些（人、事物、地方），（与复数动词连用）少数人，不和…一般多；n. 很少数；

grams

n. 克( gram的名词复数 )；
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