Helmen.赫尔姆helmn.舵；驾驶盘；领导地位n.头盔（=helmet）vt.掌舵；控制helmholtz's vortex theoremHelmholtz theory of vision赫尔姆霍茨三色说Helminthocladia hainanensisn.海南蠕枝藻Helmert variance estimation赫尔默特方差分量估计Helmoholtz's ophthalmometerHelmholtz's colour triangleHelmholtz's telestereoscopeHelm of the Fallen Defender堕落防御者的头盔Helmholtz vorticity equation亥姆霍兹涡量方程Helminthosporium-leaf spot胡麻斑病, 长蠕孢菌叶斑病