V2EX solid disc

Solid Disc

释义 Definition

固体圆盘;实心圆盘:指内部填充为连续材料(不是空心、薄壳或环形)的圆盘状物体。常用于物理与工程中描述几何体(如转动惯量、角动量、摩擦与旋转运动等问题中的“均匀实心圆盘”)。

发音 Pronunciation (IPA)

/sld dsk/

例句 Examples

A solid disc rolled across the floor.
一个实心圆盘在地板上滚动。

In the lab, we modeled the flywheel as a uniform solid disc to calculate its moment of inertia.
在实验室里,我们把飞轮建模为均匀实心圆盘,以计算它的转动惯量。

词源 Etymology

solid 源自拉丁语 solidus,意为“坚固的、完整的”,强调“非空心、非中空”。disc/disk 源自拉丁语 discus(投掷用圆盘),后来泛指“圆盘状物体”。合起来 solid disc 就是“内部为实体材料的圆盘”。

相关词 Related Words

文学与著作 Literary Works

  • Fundamentals of Physics(Halliday, Resnick & Walker)常以“uniform solid disk/disc”作为转动惯量与角动量计算的典型模型。
  • Classical Mechanics(Herbert Goldstein)在刚体转动章节中常用“solid disk”类模型进行推导与例题讨论。
  • University Physics(Young & Freedman)在转动运动与刚体模型的讲解与习题中频繁出现“solid disk/disc”。
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