If I have to do bit manipulation of large amounts of binary data, why is it, that Scala's primitive types are immutable?

如果我需要在大量的二进制数据上进行字节操作，这就有问题了，Scala的基本类型是常量化的吗？

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The system used image manipulation method to measure geometrical parameters, including binary image production, edge detection, contour hunting and the thread geometrical parameter calculation.

探讨了利用数字图像处理技术进行锥螺纹几何参数测量的方法，并给出了锥螺纹部分的尺寸测量结果。

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Ordered binary decision diagrams(OBDDs)are a data structure for efficient representation and manipulation of Boolean functions. The size of OBDDs is very sensitive to variable ordering.

有序二叉决策图（OBDD）是一种有效表示布尔函数的数据结构，其大小依赖于所采用的变量序。

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