而后

而后采用基于Lab空间的色差梯度边缘检测方法检测天空图像的云层，结合云层特征点匹配计算出云层移动速度。

After that , using gradient edge detection method based on Lab space color difference to detect the clouds of the sky , and with the feature points of the clouds , this work can calculate the clouds moving speed .

而后对上述有代表性的数据的基本特性、波谱特征等参数进行详细地介绍。

After that introduces these typical data from fundamental characteristics and Spectral Signature in detail .

计算机以二进制数进行计算，而后把计算结果转换为十进制数。

The computer performs calculations in binary and converts the results to decimal .

手电筒的光在小海滩上扫过，而后照向水面搜索着。

The torchlight swung across the little beach and out over the water , searching

他喝得烂醉如泥，而后一阵疼痛把他疼醒了。

The pain roused him from his drunken stupor

开始是战后对日光浴的极度迷恋，而后迅速发展成世界性的健康危机。

What began as a postwar fetish for sunbathing is rapidly developing into a world health crisis .

数易其稿，而后公诸（=公之于）社会。

It went through several drafts before being published .

而后，她试图扒下我的裤子。

And she tried to haul my trousers down !

熟思而后言。

Think today and speak tomorrow .

暗呼吸及光呼吸速率与叶水势降低的关系，呈现先升高而后下降的曲线类型。

The curve pattern showed that the ratio of dark-respiration to photorespiration increased at first and decreased later on .

那位足球运动员假装朝前跑，而后突然改变方向，将球向另一个方向带去。

The football player pretended to run forward , then cut back and took the ball the other way .

我明白了，原来那就是你的主意：你打算先油漆窗户，而后油漆门。

I see , so that 's your game ; you 're going to paint the windows before the doors .

多丽一开始在弗吉尼亚州自己的家里运营EFK，而后扩展到当地的娱乐中心。

Dori began operating EFK out of her Virginia home , which she then expanded to   local recreation centers .

而后，BenjaminRobins以他的几篇专论和一本书参加争论

Benjamin Robins then entered the fray with articles and a book .

飞机猛然俯冲而后又拉了起来。

The plane dived sharply and rose again .

诽谤和流言的区别在于前者是书面的，而后者是口头的。

The difference between libel and asperse is that libel is printed while slander is spoken .

2当一句话中有两个在过去不同时段发生的动作时，先发生的动作使用过去完成时，而后发生的动作则常用一般过去时。

The action that happens second is often in the past simple tense . In this example : I arrived . When you want to talk about two past actions , one which happened before the other , remember to use the past perfect for the first action , and the past simple for the second .

而后，在此基础上有提出了基于LED和复眼透镜结构的进一步改进方案。

Then a further improved structure based on LED and fly-eye lens was presented .

而后根据不同的项目类型，比较不同的BT模式的特点。

Second , Chooses different BT Mode advantages and disadvantages depending on the project types .

该工具可以方便地将Web服务运行时工件打包到一个可部署的WebApplicationArchive（war）中，而后者可以直接部署到应用服务器实例上。

The tool conveniently packages the Web service runtime artifacts into a deployable Web Application Archive ( war ), which can directly be deployed onto an application server instance .

很明显，R值可作为衡量脆性陶瓷强度相对变化的判据，而后者是材料热震严重程度的函数。

Apparently , for brittle ceramics the value of R could be the criterion for estimation ofthe relative change in strength which is a function of thermal shock .

而后，证明了隧道效应与传播TE模的截止波导的等效性。

It is been proved that the tunneling effect and propagation of TE wave in cutoff waveguide are equivalent .

活化煤矸石水泥硬化浆体中Ca（OH）2的含量在水化3d时最多，而后随龄期逐渐减少；

The content of Ca ( OH ) _2 was the most when the curing age was 3 days , and gradually reduced lately in activated coal-gangue-cement hardened paste .

而后通过CFD数值模拟来分析母线洞冷态下的阻抗及其影响因素。

Then analyze the main electrical wire hall impedance and its influence factor under unheated condition by means of CFD numerical simulation .

而后B2受体在膜上的表达水平逐渐增加。

After 15 min to 30 min drug treatments , the B 2 receptor expressing level increased gradually .

而后由需求分析，给出了总体设计方案，包括系统结构和设计特点，同时给出了嵌入式WINDOWSCE操作系统的定制过程。

Considering the demand of the system , an integrated design is given , including the structure and features . Besides the process of customizing the embedded Windows CE operating system is introduced .

烧结致密化温度随着SBN含量的增加，呈先下降而后上升的趋势。

The dense temperature decreased first , and then increased with the addition of SBN .

而后借助STEP函数对其个关节赋予已计算出的转角插值，通过仿真实验表明，人形机器人步行运动是稳定和可行的，为人形机器人进一步的步态规划研究提供了支持。

Next , use step function to give the corner to the calculated interpolation . Simulation experiments show that humanoid robots walk movement is stable and feasible , for the humanoid robot further gait planning study to lay the foundation .

对W团购企业主要存在的团购运营管理问题进行分析，而后并对团购企业组织网络团购提出相应的建议。

The W group purchase group purchase enterprise mainly exist in the operation and management problems are analyzed , and then the group purchase group purchase of organizational network put forward the corresponding suggestion .

在多径衰落信道下的DS-CDMA系统中，先利用子空间方法进行信道估计，而后使用信号子空间进行跟踪的检测器。

Considering the asynchronous DS-CDMA system through fading multi-path channel , the blind detector based on subspace tracking is introduced following channel estimation .