Noun:

1. a research rocket used to obtain information about the atmosphere at various altitudes

soundn.声音；嘈杂声；音乐风格；曲调；印象；感觉；海峡；鱼鳔；探针v.听起来；感觉起来；发出声音；发音；探测深度；探询adj.有效的；合理的；可靠的；全面的；健康的；完好的；酣睡的；严厉的adv.酣畅地sound head拾音头,录音头

1. Space research activities are being aided through two sounding rocket launching stations sponsored by the United Nations.
   对于空间研究活动的援助是通过联合国支助的两个探空火箭发射站进行的。
2. In the meantime, Lockheed Martin managers are focusing on suborbital sounding rockets for hybrid motors.
   在此同时，洛克希德马丁公司的人员正致力研究供次轨道探空火箭使用的混合型马达。