Helmholtz 自由能 F = U-TS .
Helmholtz 自由能 F = U-TS .
满足Helmholtz方程电磁波一定是：
满足Helmholtz方程电磁波一定是：
Helmholtz方程在无界空间只有平面波解
Helmholtz方程在无界空间只有平面波解
对于真空中随时间作简谐变化的电磁波，Helmholtz方程总是成立的
对于真空中随时间作简谐变化的电磁波，Helmholtz方程总是成立的
以下哪种色觉理论无法解释色盲 A: Young-Helmholtz理论 B: Hering理论 C: 现代色觉理论 D: 以上均可解释色盲
以下哪种色觉理论无法解释色盲 A: Young-Helmholtz理论 B: Hering理论 C: 现代色觉理论 D: 以上均可解释色盲
______,they have boldly undertaken the construction of a 26 storied building. A: As they are young B: Young as they are C: They are as young D: As young as they are
______,they have boldly undertaken the construction of a 26 storied building. A: As they are young B: Young as they are C: They are as young D: As young as they are
He is_______ join the army. A: too young to B: enough young to C: very young to D: young enough to
He is_______ join the army. A: too young to B: enough young to C: very young to D: young enough to
His mother________。 A: looks being young B: looks like young C: looks to be young D: looks young
His mother________。 A: looks being young B: looks like young C: looks to be young D: looks young
视锥系统和颜色视觉中谈到Young-Helmholtz提出了（）理论。 A: 对立机制学说 B: 行波论 C: 排放论 D: 三原色
视锥系统和颜色视觉中谈到Young-Helmholtz提出了（）理论。 A: 对立机制学说 B: 行波论 C: 排放论 D: 三原色
Who is recognized as being the first psychologist？（ ） A: Ernst Weber B: Sigmund Freud C: Wilhelm Wundt D: Hermann Von Helmholtz
Who is recognized as being the first psychologist？（ ） A: Ernst Weber B: Sigmund Freud C: Wilhelm Wundt D: Hermann Von Helmholtz