Same-parity fields are used to improve the accuracy of motion estimation. It estimates the motion by comparing the sum of absolute block difference(SAD) between 4 fields with the threshold of motion.
运动估计通过比较同极性场的像素块绝对值差和（SAD）与运动阈值实现运动估计，并且利用前一场的运动信息进行鲁棒性处理，提高运动检测的精度。
As one would expect, once block size gets large, it makes no difference whether block-level compression is used.
正如预期的那样，一旦块大小变大，是否使用块级别压缩并没有区别。
I was surprised to see that block size makes very little difference to the running times of any of the examined transformations.
块大小对所有被检查转换的运行时间产生如此小的影响使我觉得很奇怪。
Because of the wide difference among the sizes handled by each bucket, the new block size can fall into the same bucket as that of the original block.
因为每个bucket处理的块大小差异很大，新的块大小可能属于与原来的块相同的bucket的处理范围。
Try it for yourself: Run stat-comments.pl with and without the long comment block that begins with "We should raise...", and see the difference in statistics.
自己尝试一下：在带有以“Weshouldraise…”开头的长注释块和不带这一长注释块这两种情况下，运行stat -comments . pl，并查看统计信息的差异。
In looking at the code example in Listing 1, one immediate difference between lock and synchronization jumps out — the lock must be released in a finally block.
在查看清单1中的代码示例时，可以看到lock和synchronized有一点明显的区别——lock必须在finally块中释放。
It is found that Gan Qing block can be divided into west block and east block, and there is a explicit difference of movement state between the two blocks.
通过分析发现：甘青块体可分为东部块体和西部块体，东、西部块体的运动状态存在明显的差异；
The interaction of the pulse electromagnetic field with human body using the Finite-Difference Time - Domain (FD-TD) method and the inhomogeneous block human body model is discussed in this paper.
用时域有限差分法和非均匀块状人体电磁模型研究了脉冲电磁场对人体的作用问题。
Objective to investigate a difference of spinal reflex and muscular motor block during low epidural analgesia.
目的探讨腰段硬膜外布比卡因止痛后脊神经反射与肌肉运动阻滞的相关差异。
The results showed that all of the compounds could block the neuromuscular junctional excitation potentials (EJP), but the blocking time had a great difference.
结果表明：它们均能阻断果蝇幼虫神经肌肉兴奋性接点电位，但其阻断时间相差很大。
A quantitative Scaling theory model for block copolymer micelle calculations is developed, and the difference between which and the Mean Field theory (MFT) is discussed in this paper.
本文建立了用于嵌段共聚物胶束体系定量计算的标度理论模型，讨论了标度理论与均匀场模型的差异。
Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.
通过与平底孔试块实际缺陷回波信号的对比，验证了脉冲超声波有限差分法模拟计算的有效性和正确性。
An online block algorithm for frequency domain blind deconvolution was proposed based on the complete mutual information gradient and the properties of the score function difference (SFD).
基于完全互信息梯度表达式及得分函数差分的性质，提出一种在线频域盲解卷积块算法。
The overall and local stabilities of slope are analyzed by finite difference method and block limit equilibrium tbeory respectively for a hydropower project.
分别运用有限差分法对边坡整体和块体极限平衡法对边坡局部进行稳定性评价。
"Xinmin Weekly" : you in the Yunnan project on maternal and child block 224 HIV-positive pregnant women for drug intervention, these are pregnant women during pregnancy if there is any difference?
《新民周刊》：你们在云南的母婴阻断项目对224位HIV阳性的孕妇进行药物干预，这些孕妇所处孕期是否有所不同？
This paper evaluates the private benefits of control with the help of transfer price difference between the controlling block and the non-controlling block of a company within same year.
本文比较分析了度量控制权私有收益的不同方法，构建了控制权发生转移的数据库，计算了中国上市公司的控制权私有收益。
A block-layered rock slope with a special block structure has a greater difference from a general layered rock slope in failure modes.
与一般层状岩质边坡相比，具有“砌块式”结构特征的块裂层状岩质边坡，其破坏模式具有较大差别。
Fixed positioning is a subcategory of absolute positioning. The only difference is that for a fixed positioned box, the containing block is established by the viewport.
固定定位是绝对定位的一种特殊情况，即他的包含框永远都是视口。
Fixed positioning is a subcategory of absolute positioning. The only difference is that for a fixed positioned box, the containing block is established by the viewport.
固定定位是绝对定位的一种特殊情况，即他的包含框永远都是视口。
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