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利用標(biāo)準(zhǔn)性能曲線板手工繪制往往具有較大的作圖和讀數(shù)誤差.Drawing in hand with the standard French curve usually has drawing and reading errors....

“曲線板”的英語(yǔ)可以翻譯為：French curve，[機(jī)] french curve，irregular curve ...