查询词典 connected component

primary cosmic radiation：原宇宙线

primary component 主星 | primary cosmic radiation 原宇宙线 | primary cosmic rays 原宇宙[射]线

secondary cosmic radiation：衍生宇宙线

伴星 secondary component | 衍生宇宙线 secondary cosmic radiation | 次起伏 secondary fluctuation

cost variance：费用差异

方差分量:variance component | 费用差异:Cost variance | 方差加权:variance weighted

second countability axiom：第二可数公理

second component 第二分量 | second countability axiom 第二可数公理 | second derivative 二次导数

first countability axiom：第一可数性公理

前件 first component | 第一可数性公理 first countability axiom | 第一曲率 first curvature

covariant derivative：协变导数

协变分量 covariant component? | 协变导数 covariant derivative? | 协变张量 covariant tensor?

covariant derivative：协变导数, 协变微商

covariant component 协变分量 | covariant derivative 协变导数, 协变微商 | covariant tensor 协变张量

covariant component：协变分量

协变坐标 covariant co ordinate? | 协变分量 covariant component? | 协变导数 covariant derivative?

covariant component：共变分量

covariance 协方差 | covariant component 共变分量 | cover 覆盖物,罩,套

covariant component：协(共)变分量

covariant base vectors | 共变基向量 | covariant component | 协[共]变分量 | covariant coordinates | 共变坐标

the bird of wonder：凤凰;长生鸟

the bird of peace鸽子 | the bird of prey 猛禽 | the bird of wonder凤凰;长生鸟

flange rail：平底轨条

"凸缘皮带轮","flange pulley" | "平底轨条","flange rail" | "凸缘肋","flange rib"