橢圓樣條線 的英文怎麼說
中文拼音 [tuǒyuányàngtiáoxiàn]
橢圓樣條線
英文
eilipse spline- 橢 : Ⅰ形容詞(卵形) oval-shapedⅡ名詞[書面語] (長圓形的容器) elliptic vessel
- 樣 : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
- 條 : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 橢圓 : [數學] oval; oval shaped; ellipse; ellipsoid橢圓規 ellipsograph; [圖] elliptic trammel; 橢圓軌道 ...
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They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order
此外由於它們還具有三角函數的優點,故既可以精確表示直線段、二次多項式曲線段又可以精確表示圓弧、橢圓弧等二次曲線以及心臟線、雙紐線等超越曲線。特別地, 3次均勻t - b樣條曲線曲面比同階均勻b樣條( c - b樣條)曲線曲面具有更高的光滑度。It first weaves the ellipse the frame, then starts from among tolaunch the silk thread, the picture gives on the wheel the spoke stripto be same
它先織出長橢圓形的框架,然後從中間開始展開絲線,就像給輪子上輻條一樣。Line, oval, and rectangle tools produce different shapes, but work the same way. when the tool is activated, click and drag to draw the shape. pressing the shift key while drawing constrains the shape to a horizontal, vertical, or 45 - degree line, or a perfect circle or square
線條、橢圓和矩形這幾種工具可繪制出不同的形狀,但操作方式是一樣的:工具激活后,單擊並拖動即可繪制形狀;拖動過程中按住shift鍵還可精確繪出橫線、豎線、 45度線、標準的正方形或圓形。
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