bundle space造句

• It was also unclear whether he would retain his ownership stake in the Internet site, Space . com, which bundles space-related Web sites and services.
• Because the definition of the Hamiltonian involves a unit time vector field on the base space, a horizontal lift to the bundle space, and a spacelike surface " normal " ( in the Minkowski metric ) to the unit time vector field at each point on the base manifold, it is dependent both on the frame, and is far from being globally defined.