roulettes

核心释义

数学术语；指一图形沿另一图形滚动时，其上一点画出的曲线。

roulette

1. 1.

   一种机会游戏,小球在分为编号(通常红黑)格子的圆盘上快速旋转,停止时决定各种赌注的结果。

   A game of chance in which a small ball is made to move round rapidly on a circle divided off into numbered (usually red and black) spaces. When the ball stops, it indicates the result of a variety of wagers permitted by the game.

2. 2.

   由一个图形上的点绕另一个图形滚动生成的线

   a line generated by a point on one figure rolling around a second figure

3. 3.

   冒险行为,尤指潜在损失大于收益(与轮盘赌仅输赌注不同)。

   An instance of risk-taking, especially when the downside exceeds the upside (contrary to the game of roulette where only the wager is lost).

4. 4.

   带齿轮的轮子,用于制作一排穿孔

   a wheel with teeth for making a row of perforations

5. 5.

   雕刻师用来在版上滚动以产生点行的带齿小轮。

   A small toothed wheel used by engravers to roll over a plate in order to produce rows of dots.

6. 6.

   一种赌博游戏,玩家下注小球将停在哪个旋转轮的隔间中

   a gambling game in which players bet on which compartment of a revolving wheel a small ball will come to rest in

7. 7.

   类似的小轮,用于粗糙化版面,如修改网线铜版画时。

   A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.

8. 8.

   平面曲线沿另一固定平面曲线无滑动滚动时,其上一点的轨迹。

   The locus of a point on a plane curve that rolls without slipping along another fixed plane curve.

9. 9.

   邮票纸上的小切口,作为齿孔的替代。

   Any of the small incisions on a sheet of stamps, used as an alternative to perforations.

10. 10.

    圆柱形卷发器。

    A cylindrical curler for the hair.

一种机会游戏,小球在分为编号(通常红黑)格子的圆盘上快速旋转,停止时决定各种赌注的结果。；由一个图形上的点绕另一个图形滚动生成的线；冒险行为,尤指潜在损失大于收益(与轮盘赌仅输赌注不同)。；带齿轮的轮子,用于制作一排穿孔；雕刻师用来在版上滚动以产生点行的带齿小轮。