在突出了日全食特点已知最早的8字曲线照片中，有一个太阳圆盘像天体项链上的垂饰似的闪耀光芒。
One disk of the sun shines like a pendant on a celestial necklace in the first known analemma photo to feature a total solar eclipse.
一旦所有的配对都找到，我便通过计算垂曲线来创建线缆几何，无论是普通电缆还是晾衣绳都样的。
Once all 'pairs' are found, I compute the catenary curve and create the cable geometry, either for plain cables or cables with hanging clothes.
其弧垂值的获得一般是查设计部门提供的放线曲线。
To obtain the value the common way is to lookup the curves provided by the design departments.
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