Convexity closure
[计] 凸闭包
🧩 词语组成解析
n. 中凸, 凸状, 凸面\\n[化] 凸度; 焊缝凸度
closure
['kləuʒə]
n. （永久的）停业，关闭;结束;[电]闭合;[数]闭包;
vt. 使结束，使终止;使停止辩论;
🗣️ 情景例句
so the old one will be ready
这个旧的又可准备
Prosperity gains (or makes) friends, and adversity tries them.
顺境交朋友，逆境试真情。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。