THE BBT-HEYRPIC CURRENTOGRAPH
[摘要] The BBT-NEYRPIC currentograph is an autonomous instrument which records the speed and direction of marine currents. It comprises a Dumas-Neyrpic currentmeter, a speed recorder and a device for recording direction.
[发布日期] [发布机构]
[效力级别] [学科分类] 建筑学
[关键词] wave currents;current recorder [时效性]