它采用类似差分的方法从图像序列的多帧图像中检测出运动目标区域。
Motion object region is extracted from multi-frame images in image sequences by using similar difference method.
在深入研究图像像素灰度差分的基础上，提出了一种新颖有效的自适应信息隐藏算法。
Based on the detailed study of image pixel-value differencing, a novel and efficient adaptive information hiding algorithm was proposed.
我们里第八名仅差3分而已，如今的挑战就是要保持连胜。
We are only three points from eighth place and now the challenge is to keep winning games.
解决方案：Kerberos身份验证协议要求服务器和客户机之间的时钟差不大于5分钟。
Fix: the Kerberos authentication protocol requires that the clock skew between a server and a client is no greater than 5 minutes.
该方法通过差分模型考虑了观测量的数值及其相互关系。
The new method takes both the magnitude and the relationship of observations into account by introducing the differential model.
合成孔径雷达（SAR）差分干涉测量是一种最新的大地形变测量遥感技术方法。
SAR differential interferometry is an up-to-date measurement technology for terrain deformation.
海上工程作业中定位测量已由原先的无线电定位逐步过渡到差分GPS定位。
In the operation of offshore engineering, the form of positioning measurement is transferred from radio positioning to differential global position system (GPS) gradually.
正确认识压差卡钻，对于减少井下复杂事故，提高钻井速度，降低钻井成本具有十分重要的意义。
Correctly recognizing the differential pressure sticking is of great significance to reduce complex accidents of borehole, increase drilling speed and reduce the drilling cost.
差分方程研究的主要内容包括两个问题：差分方程的精确解和方程解的定性分析。
The study of difference equations is main about two problems: exact solutions of the equations and qualitative analysis of the solutions.
第三章利用矩阵理论与重合度理论，讨论了一类非自共轭非线性二阶差分方程周期解的存在性问题。
Chapter 3 is centered around the existence of periodical solutions for non self-adjoint nonlinear second order difference equations by invoking matrix theory and coincide degree theory.
有限差分方法是凝固过程温度场解析的常用数值计算方法。
Finite Difference Method (FDM) is usually used for calculating the temperature field of casting solidification processes.
基于声波或弹性波方程的有限差分方法是数值模拟地震波场或合成VSP地震记录的有力工具。
The finite difference methods based on acoustic or elastic wave equation are very useful tools for wave-field numerical modeling or VSP data synthesizing.
差分功耗分析(DPA)作为一种获取密码芯片密钥的旁道攻击方法，对目前的信息安全系统构成了严峻挑战。
Differential power analysis attack (DPA) is a powerful tool for retrieving secrets embedded in cryptographic devices and it has been a considerable threat to the information security system.
数值算例表明，用精细积分法得到的解与精确解十分吻合，比有限差分法具有更高的精度。
The results of the precise integration method agree well with the theoretical solution and have higher precision than those of the finite difference method.
高级财务主管的薪水可以更多地来自其所持有的股权—如果银行业绩差则返还一部分。
Senior financiers could take more of their pay in equity-and hand some back if the bank does badly.
采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性；采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
通信时间差是这次训练的一部分，也是小行星上实际展开任务时宇航员和地面控制人员共同面临的问题。
A communications time lag, which simulates what astronauts and ground controllers would experience during an actual mission at an asteroid, is part of the exercise.
这个人说：“我们去参加亨利举行的聚会，可是在路上，我们的轮胎爆了。不过我们仍然在最后一刻，也就是十二点差五分的时候到了亨利的家，正好举起玻璃杯，迎接新年的到来。”
We had a flat tire on our way to Henry's party. But we still got there in the Nick of time, five minutes to twelve, just in time to raise a glass and say hello to the New Year.
排名第四的纽卡斯尔如果能赢下这场比赛，他们与曼联的分差将缩小至一分，但费爵爷更加提防排在第五的状态不佳的切尔西。
Fourth-placed Newcastle could move within a point of United if they win today, but it is out-of-form Chelsea, in fifth, who Ferguson has his eye on.
最后一阶段的比赛将会变得很有意思，5位车手的分差全在20分之内。
The final part of the championship will be very interesting, with five drivers all within 20 points.
利用光强差分检测技术取代传统波长解调方法，简化解调过程的同时传感系统免受温变影响。
By replacing the traditional wavelength demodulation with optical power detection technique, the demodulating process is simplified and immune to temperature variation.
亚洲和7国集团今年的增速差预计将达到创纪录的9个百分点(见图四)。
The gap between growth rates in emerging Asia and the G7 is forecast to rise to a record nine percentage points this year (see chart 4).
在我的测试中，两台电脑中较小的那台坚持了近五个小时（仅差几分钟），较大的那台坚持了5小时21分钟。
The smaller of the two machines lasted a few minutes shy of five hours in my test. And the larger one lasted five hours and 21 minutes.
期货市场和现货市场之间的基差交易是一种十分重要的套期保值方式。
Dealing with future basis between future market and spot market is an important method to hedge price risk.
安全进洞是实现整座隧道顺利施工的前提，尤其是地质条件差的隧道，往往进洞十分困难。
Safe starting of tunneling is the premise of smooth tunnel construction. In general, tunnel starting is difficult when the geological condition of the surrounding rocks is not good enough.
本文在参考了大量文献的基础上，对差分吸收激光雷达探测化学毒剂的原理进行了深入分析，对影响激光回波强度的各种因素进行了详细的讨论。
Based on much literature, the principle of the DIAL system in detecting chemicals and the various factors that influence the laser signal intensity are investigated in detail in this paper.
时间在美妙的歌舞中过去，墙上的大钟突然映入灰姑娘的眼里，差5分钟12点。
All of a sudden, Cinderella caught sight of the clock on the wall. Oh, it is almost twelve o 'clock-five to twelve!
完美的时间差，击破神奇的气泡，不容一分一秒的犹豫！
Break the magic bubble just in time, without any hesitation!
完美的时间差，击破神奇的气泡，不容一分一秒的犹豫！
Break the magic bubble just in time, without any hesitation!
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