balloon-borne astronomical system气球: balloon式: type; style天文仪器: astronomical instrument古天文仪器: historical astronomical instruments天文仪器: astro-instrument; astronomic instruments and apparatus; astronomical instruments; astronomical telescopes and instrumentation下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:气球式天文仪器，即可在微信中查询翻译
