For example, a scope of 7 to 1 means that with a water depth of 17 feet and the boat's bow 3 feet above the water (total vertical drop of 20 feet), 140 feet of anchor rode would be let out.
例如,a scope of 7意味着当水深为17英尺,船头距水面为3英尺时(总共的垂直落差为20英尺),140英尺的锚缆将被放出。