Astrophysicists working with ground-based detectors at the South Pole and balloon-borne instruments are closing in on such structures, and may report their findings soon.

天体物理学家利用南极陆基探测器和球载仪器工作，正在对这些云系进行观测，也许不久会报告他们的观测结果。

youdao

Scientists at several new ground-based observatories are hoping to do just that.

一些工作于新型陆基天文台的科学家们希望以这种方式发现引力波。

youdao

Radar tracking of the shuttle, like the final accurate ground-based navigation, had not yet begun.

对航天飞机的雷达追踪，如最后精确的陆基导航，还没有开始。

youdao

After all,they observe the skies with huge ground-based and costly space telescopes.

VOA: special.2009.08.25

U.S.Defense officials say the new plan would include interceptor missiles deployed on U.S.Navy ships in the North Sea and Mediterranean, in addition to ground-based weapons.

VOA: standard.2009.10.21

The Obama administration's plan will replace Bush's anti-missile plan with a re-designed sea- and ground-based system, which destroys short and mid-range missiles instead of intercontinental missiles.

VOA: standard.2009.09.24

This longer wavelength afterglow can last days and Swift alerts ground-based observatories to join the spectacle.

BBC: Observatory detects record burst

Airlines have been split on whether to go with a ground-based system or with satellite-based systems.

WSJ: Picking Planes Wired for Wi-Fi

Existing data from ground-based and space telescopes put w at between -1.1 and -0.9.

ECONOMIST: Cosmology