21. The coordinate-independent definition of the square of the line element d " s " in spacetime is: 22. The line element of a stationary spacetime has the form ( i, j = 1, 2, 3) 23. Is called the first fundamental form associated to the metric, while " ds " is the line element . 24. It's not fundamentally a vector ( oriented line element ), but an oriented area element ( bivector ). 25. Line-integrated along the path of current flow, with respect to the vector line element d "'r "'. ]] 26. Though Khatami enjoys the support of most Iranians, hard-line elements in the government are unhappy with his reforms. 27. It is almost certain to mark a confrontation between each leader and the hard-line elements in his camp. 28. The position of the line element thus found is shown in the figure as a dark blue bar. 29. After 12 September the 373d Fighter Group returned to supporting the front line elements of General Patton's Third Army. 30. Sharon was under pressure from hard-line elements of his own Likud party to crack down hard on the Palestinians.
