Every vector can be resolved into covariant or into contravariant components.每个矢量都可以分解成协变分量或逆变分量.The covariant equation of plane motion body in curved space - time is studied.研究弯曲 时空 中平面运动刚体的动力学协变方程.This decomposition ma...
孢于在生殖过程中形成类脂膜.Spores form a lipid membrane during the process of reproducing.图11概括了链孢霉的生活史.The life cycle of Neurospora is shown in Fig 1.1.孢囊孢子是产生于专门结构内.Sporangiospores are produced within a specialized structure....