Variation method
[计] 变分法\\n[化] 变分法
🧩 词语组成解析
🗣️ 情景例句
He's gone for the summer.
他夏天度假去了。
Everything is good when new, but friend when old.
东西新的好，朋友老的好。
The modern weather models work with a grid of points of the order of sixty miles apart,
现代气象模型以一个坐标图来显示，图中每个点大约是间隔60英里。