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1·The main finger ring (1) is fastened in the petaloid ring plane (22) to form a combined finger ring.

所述主戒指(1)被卡戒指面(22)之中，构成一个组合戒指。

2·Result: the petaloid toenails had approximately 3 types such as the clarity, the amalgamation and the degeneration.

结果瓣状甲有不同的表现形式，可将其大致分为清晰型、融合型和退化型3种。

3·Objective: To research the types, the distributions for gender and age, and the hereditary mode of the petaloid toenails.

目的探讨瓣状甲的类型、性别和年龄分布及其遗传方式。

4·The authors consider that increasing the piston stroke is an effective scheme, and point out that the petaloid combustion chamber has a good adaptability.

作者认为，加长行程是十分有效的方案，同时也指出花瓣形燃烧室具有良好的适应性。

5·Analyzing the data of 51 nuclear families and 2 families with 3 generations, it was found that petaloid toenail had the same hereditary characters as a dominant single-gene trait.

对2个完整的三代家系和51个核心家系的系谱分析，发现瓣状甲的遗传特点与常染色体单基因显性性状一致。