But since then, detector sensitivity has improved 1,000- fold, and instrument builders expect soon to wring out another factor of 1,000.是什么意思_But since then, detector sensitivity has improved 1,000- fold, and instrument builders expect soon to wring out another factor of 1,000.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句