... 三维偶极[子]，空间偶极[子] space doublet 空间周期，波长 space period 间隔垫圈，定为垫圈 space washer ...
双语例句
1
Helen described life in a weightless environment during her period in space.
海伦描述了她身处太空时失重状态下的生活。
《柯林斯英汉双解大词典》
2
After a period of tests in space, this new satellite has started to work with other Beidou satellites together.
经过一段时间的太空测试，这颗新卫星已经开始与其他北斗卫星一起工作。
3
A new study found that inner-city kids living in neighborhoods with more green space gained about 13% less weight over a two-year period than kids living amid more concrete and fewer trees.