圆规
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(圆(yuán )规(guī ),圆(yuán )规(guī ))
1.圆(yuán )圈(quān )。
宋(sòng )沉(chén )括(kuò )《梦(mèng )溪(xī )笔(bǐ )谈(tán )·象(xiàng )数(shù )一(yī )》:“每(měi )极(jí )星(xīng )入(rù )窥(kuī )管(guǎn ),别(bié )画(huà )为(wéi )一(yī )图(tú ),图(tú )为(wéi )一(yī )圆(yuán )规(guī ),乃(nǎi )画(huà )极(jí )星(xīng )于(yú )规(guī )中(zhōng )。”
邹(zōu )鲁(lǔ )《四(sì )川(chuān )光(guāng )复(fù )》:“民(mín )家(jiā )皆(jiē )树(shù )白(bái )旗(qí ),中(zhōng )署(shǔ )‘汉(hàn )’字(zì ),周(zhōu )以(yǐ )圆(yuán )规(guī )十(shí )八(bā ),盖(gài )取(qǔ )十(shí )八(bā )行(háng )省(shěng )之(zhī )义(yì )。”
2.两(liǎng )脚(jiǎo )规(guī )。用(yòng )以(yǐ )画(huà )圆(yuán )或(huò )圆(yuán )弧(hú )的(de )绘(huì )图(tú )仪(yí )器(qì )。
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