A new method for predetermination of all-zero blocks in low rate video coding is proposed, which is based on characters of discrete cosine transform (DCT) and quantization.

该文根据离散余弦变换(DCT)和量化运算的特点，提出了一种新的用于低比特率视频编码的全零块预先判别方法。

With the implementation of the new curriculum, more and more studies are on class predetermination and generation, but few systematic studies are used in chemical disciplines.

随着新课程的实施，对于课堂教学预设与生成的研究比较多，但鲜有人比较系统的将该研究应用于化学学科层面。

The Karst collapse is the most important engineering geologic problem a new international airport faces, the research of assessment of the Karst collapses predetermination is necessary.

岩溶塌陷是某新建国际机场建设面临的最主要工程地质问题，开展岩溶塌陷易发性预测评价研究十分必要。

In the low rate video encoding process, predetermination of all-zero blocks which can be applied to reduce the computational complexity is a common method to optimize the software coder.

在低比特率视频编码时，全零块的预先判断，能够有效地减少编码器的计算复杂性，是优化编码器常用的技术之一。

Introduces the technical principle, test and research, processing sequence, technical property, market predetermination and finance evaluation of electron beam irradiating reclaimed butyl rubber.

介绍了电子束辐照再生丁基橡胶的技术原理，试验研究的情况，加工工艺流程，技术特点，以及推广前景，市场预测，财务评价等。