绿色螺旋线由内部每一个正方形和四分之一圆相切线构成，而红色的螺旋线是黄金螺旋线，它是对数螺旋线的一种特殊类型。
The green spiral is made from quarter-circles tangent to the interior of each square, while the red spiral is a Golden spiral, a special type of logarithmic spiral.
乔伊斯的车停在停车场的访客区，是那个四分之一圆圈中的最后一辆车。
Joyce's car was the last one left in its quadrant of the visitor lot.
我们已经做过的一个例子是，计算四分之一单位圆上的二重积分。
One example that we did, in particular, was to compute the double integral of a quarter of a unit disk.
据设计者所述，Quadranta的设计是从四分之一圆弧开始的。
According to its creator, this design was started with quadrant arcs.
这一项原则在图5中被举例，阴暗的区域表现区域哪里增加边缘为数据符号在那第一个四分圆。
This principle is illustrated in Fig. 5, where the shaded region represents the region of increased margin for the data symbol in the first quadrant.
图中间的透镜起缩小掩模图案的作用，使得在晶圆上得到的电路图案长度上是掩模的四分之一。
A lens (middle) reduces the mask's image. So what gets printed on the wafer is typically four times smaller linearly than the mask's pattern.
图中间的透镜起缩小掩模图案的作用，使得在晶圆上得到的电路图案长度上是掩模的四分之一。
A lens (middle) reduces the mask's image. So what gets printed on the wafer is typically four times smaller linearly than the mask's pattern.
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