"Just as exciting are "The Matrix's" two kinds of action sequences. One strata involves John Woo-type expenditures of massive amounts of ammunition shot in super slow-motion and the other uses both Hong Kong-style stunt work and a technique the press notes refer to as "bullet-time photography" that involved shooting film at the computer-aided equivalent of 12,000 frames per second. "The Matrix" cast members who were involved in the film's eye-catching kung-fu fight sequences also apparently committed to four months of pre-production work with Hong Kong director and stunt coordinator Yuen Wo Ping, someone who specializes in the technique, known as wire fighting, that gives H.K. films like "Drunken Master," "Once Upon a Time in China" and "Fist of Legend" their distinctive high-flying look. Not everything in "The Matrix" makes even minimal sense, but the Wachowski brothers, said to be major fans of comic books and graphic novels, are sure-handed enough to smoothly pull us over the rough spots. When a film is as successful as this one is at hooking into the kinetic joy of adrenalized movie-making, quibbling with it feels beside the point."