PLANNET

基本解釋

Calculating the mass of a plannet.
計(jì)算一個(gè)行星的質(zhì)量。
First of all let us consider the earth(that is to say,the world ) as a plannet revolving round the sun.
首先讓我們把地球看作是圍繞太陽(yáng)運(yùn)行的一顆行星。
"The long-term survival of the human race is at risk as long as it is confined to a single plannet,"he explained.
"只要被禁錮在一個(gè)單一的星球上;人類的長(zhǎng)期生就是存危機(jī)四伏的.;"
Banks around the plannet are trying to flush the system with money and will take a while to get better, most agree the crisis, the worst in decades, is still at its height.
全球銀行都在爭(zhēng)取投資，但要想狀況得到改善還有待時(shí)日。多數(shù)人認(rèn)為這場(chǎng)近幾十年來最嚴(yán)重的危機(jī)仍然沒有起色。
error of a plannet
行星觀測(cè)上位置間的誤差