The heart, a universal symbol of love, is cut to perfect proportion.

心形，爱的标志与象征，拥有最完美的切割比例。

youdao

Made from almond, buckwheat, carob and chestnut powder in perfect proportion.

由杏仁粉，荞麦粉，角豆粉和栗子粉科学配比而成。

youdao

The perfect proportion of used binder and refractory was farther confirmed. According to this proportion room temperature strength, high temperature strength and residual strength were observed.

经过反复筛选确定了较为理想的粘结剂及耐火氧化物的配方，并按照此配方观察了型壳的室温强度、高温强度及残留强度；

youdao

Born from a need to re-create mixed drinks in perfect proportion, Bartendro uses food-grade tubing, pumps and custom-built electronics to pipe liquids out with a measurement accuracy of a milliliter.

ENGADGET

But geometry is even more important for the movement: a movement must be geometrically perfect, nothing superfluous, nothing that makes the movement look out of proportion, and it must have the perfect finish.

WSJ: Watch Making's Self-Taught Genius | Michael Clerizo on George Daniels