NSString *path = [[NSBundle mainBundle] pathForResource:@"××××" ofType:@"scpt"];
NSAppleScript *script = [[NSAppleScript alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:nil];
NSDictionary *error = nil;
[script executeAndReturnError:&error];
if ( error ) {
     NSLog(@"Execution error: %@", error);
}

AppleScript in Cocoa