应用于某些可用拖车运输的，没有重固定龙骨的帆船上的一个系统。
A system used in some trailerable sailboats without a weighted fixed keel.
MacGregor26是一艘很流行的可拖载的活动龙骨帆船，它自带的水压载系统(water ballast)使其具有活动龙骨帆船的所有优点，并避免了部分缺点。
A popular trailerable centerboard sailboat is the MacGregor 26, which with its water ballast has the advantages of centerboard boats but not all the disadvantages.
对于柴胡加龙骨牡蛎汤，临床运用抓住“胸满烦惊” ，其在治疗神经精神系统方面的疾病大有进一步研究的前景；
As for Bupleurum plus Dragon Bone and Oyster Shell Decoction, studies should be made into its application in the treatment of diseases of the neuropsychological system.
旧大陆的热带蕨；在一些分类系统中直接归入水龙骨科。
Old World tropical fern; in some classification systems placed directly in family Polypodiaceae.
旧大陆的热带蕨；在一些分类系统中直接归入水龙骨科。
Old World tropical fern; in some classification systems placed directly in family Polypodiaceae.
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