Consider increasing the millisecond multiplier from 200 to 400 to give your system more time to save the image tiles before the rotate process begins.
可以考虑将时间的毫秒数从200增加到400，以在旋转过程开始前给系统更多的时间来保存图像块。
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Based on many years 'teaching experience, the working principle and application of analogue multiplier are presented by popular, easy to understand and image mode.