要显示之前的图像，必须以较低的像素分辨率重新采样(调整大小)。
Before the image can be displayed, it must be downsampled (resized) to lower pixel resolution.
实验结果表明该算法对数字音频信号的滤波、有损压缩、重新采样等操作具有很强的稳健性。
The experimental results show that the algorithm is robust to many operations on digital audio signal, such as filter, lossy compression, and so on.
在这四个“采样”区内的每一个地区进行的调查都要花一个旱季的时间，之后再重新开始这个循环，以便每四年完成一个区的调查工作。
Each of the four "sampling" areas takes one dry season to complete and then the cycle is repeated, so that each area is sampled once every four years.
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