Mathematical projection
[计] 数学投影法
🧩 词语组成解析
projection
[prə'dʒekʃən]
n. 预测;规划，设计;[心]投射;突起物;
🗣️ 情景例句
He accepted an offer of help.
他接受了援助的建议。
To stand on your hands
倒立
There are many things to be learnt when you start working.
开始工作时，你有许多东西要学。