astronomical day

基本解釋

The next day, I learned that the Carson show had earned good ratings nationwide and astronomical ones in Arkansas.
第二天，我了解到卡森的節(jié)目在全國(guó)獲得了不錯(cuò)的收視率，在阿肯色州的收視率高得不得了。
But by firing its three ion engines one at a time over 620 days -- accumulating another 60 miles per each day -- Dawn has reached its current astronomical speed and has no plans of slowing down.
但是在620天的時(shí)間里開動(dòng)了三個(gè)引擎之一——再積累每天60英里——曙光號(hào)就已達(dá)當(dāng)前的天文速度，而且沒(méi)有減速的計(jì)劃。
It is gradually slowing down and factors such as disruptions in the Earth's core, extreme weather, volcanic eruptions and earthquakes can all influence the precise length of the astronomical day.
地球的自轉(zhuǎn)正在逐漸的慢下來(lái)，而像地核分裂、極端天氣、火山爆發(fā)、地震發(fā)生等事件都會(huì)影響天文日的確切長(zhǎng)度。