Helmholtz equation
[化] 亥姆霍兹方程
🧩 词语组成解析
赫尔姆霍茨(①姓氏 ②Hermann Ludwig Ferdinand von, 1821-1894, 德国生理学家, 物理学家及解剖学家)
🗣️ 情景例句
January the thirtieth and you're invited.
1月30日，希望你能出席。
Working in the theater has always been attractive to her.
对于在剧场工作，她常感到机具吸引力。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，