照射野影像对比度低、图像质量差使常规照射野验证易产生误差。
The contrast and quality of portal image is so low that it is difficult to avoid errors in routine verification.
海空背景下，由于空气中水气、背景光等多种因素的影响，图像质量差，目标信息不详细。
Because of water vapor in the air, the background light, and other factors, not only the quality of images is poor but also the objective information is unobvious.
在移动网络上开展流媒体业务，最大的问题是无线环境的时变性容易引起丢包时延，导致缓冲过多、图像质量差和播放中断。
The most troublesome problem in deploying streaming media service is the package-lost delay, which results in too much buffer, low-quality image and interrupted play.
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