难检字字典在线查询

汉语拼音：yuán guī

绘图仪器，轴上固定有两个可以开合的脚，一脚是尖针，另一脚可以装上铅笔芯或鸭嘴笔头，用来画圆或弧。

1. 圆圈。

   宋 沉括 《梦溪笔谈·象数一》：“每极星入窥管，别画为一图，图为一圆规，乃画极星于规中。” 邹鲁 《四川光复》：“民家皆树白旗，中署‘汉’字，周以圆规十八，盖取十八行省之义。”

2. 两脚规。用以画圆或圆弧的绘图仪器。

• The teacher asked us to buy a pair of compasses.

  老师要求我们买圆规.

• With straightedge and compasses, divide a segment of a into 2 parts.

  用直尺和圆规把线段a分成两部分.

• Use your compasses to draw a circle.

  用圆规画圆.

• Find the center of a circle with the circumference given.

  [给定一圆周以圆规作图找出圆心].

• To draw to scale by means of a scale and protractor; plot.

  测绘用圆规和量角器划线和角; 标绘.

• The captain ordered the ship's course to be pricked up.

  舰长下令将船的航线用圆规测绘出来.

• The teacher asked his students to use their compasses to draw circles.

  老师要求学生们用圆规画圆.

• The student a circle with a pare of compasses.

  学生用圆规画图.

• How many pairs of compasses does he have?

  他有几支圆规?

• Will you get me a pair of compasses?

  请给我买一副圆规好 吗 ?

• He has two pairs compasses.

  他有三副圆规.

• A top craftsman can draw the blueprint without using the compasses and rules.

  一名顶尖的工匠,他画设计图时,是不必借用圆规、尺子的.

• Young mathematics teacher. high thin. in the hand is taking the three - edged rule and the compass.

  年轻的数学老师. 高高瘦瘦的. 手里拿着三角尺和圆规.

• All pupils should learn to use drawing instruments such as rulers and compasses.

  所有学生都应该学会使用画图工具,比如尺子和圆规.

• We put forward in this article the method of applying common tangent circle drawing to ellipses.

  提出应用公切圆法画椭圆,可不必推平行线和多次加长圆规,只需用直线尺作图,且理论上误差为零.