per cent 和percent 的区别?because the moon has only an eightieth of the earth's mass,it require97 per cent less energy to travel the quarter of a million miles from the moon to earth-orbit than the 200 mi
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percent 是百分率 百分比 78 percent 78% .
per cent 是两个单词 per 是“每一”的意思 cent 是“分（钱的单位）”的意思
每一分钱” ~~~~~~~~~~~~~~~~~~~祝你进步,有疑问可追问,请及时采纳~~~~~~~~~~~~~~~~~~