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In this paper, based on MPEG 2 Test Model 5 (TM5) bit rate control algorithm, there are some improvements proposed:① an intelligent integral action is proposed for improving the control precision of bit rate;② after using DCT AC coefficients to define the measure of macroblock and picture coding difficulty, an improvement on target bits allocation is proposed for the decoded picture quality and conformance including scene change, which can adjust the target bits allocation adaptively by their measure.

针对MPEG－2测试模型5（TM5）比特速率控制算法进行了以下改进：①引入一种智能积分作用，有利于提高比特速率的控制精度；②采用DCT交流系数定义宏块和图象的编码难度测度，然后提出了改进的目标编码量分配策略，即根据编码难度测度自适应调整图象和宏块的目标编码量，有利于提高包括场景变化在内的图象解码质量及其一致性。

After a brief review about the problems of bit rate control for MPEG video coding, two optimizations are proposed based on MPEG-2 Test Model 5 (TM5) algorithm:①An intelligent integral action is introduced for improving the control precision of bit rate;②After using DCT AC coefficients to define the measure of macroblock and picture coding difficulty, an improvement on target bits allocation is proposed for the decoded picture quality and conformance including scene change, which can ajust the target bits allocation adaptively by their measure.

文中首先对MPEG视频编码比特速率的控制问题作了简要回顾，然后针对MPEG-2测试模型5(TM5)算法进行了以下优化：①引入一种智能积分作用，有利于提高比特速率的控制精度；②采用DCT交流系数定义宏块和图象的编码难度测度，然后提出了优化的目标编码量分配策略，即根据编码难度测度自适应调整图象和宏块的目标编码量，这样有利于提高包括场景变化在内的图象解码质量及其一致性。

One should also remember the higher productivity of 64-bit versions of programs which is caused by a greater number of registers, extended abilities of floating point arithmetic and the possibility of working with 64-bit numbers.

人们应该还记得64更高的生产率，这些是由更多的寄存器位版本的程序造成的，扩大了浮点运算能力，与64位数字的工作的可能性。

Floors can be cleaned by mixing some bicarbonate of soda in a bucket of warm water and a bit of elbow grease. It may take a bit longer than using other products but it will give you a good workout!

楼层可清洗混合一些碳酸氢钠纯碱在一桶温水和1位肘油脂，它可能需要一点时间比使用其他产品，但它会给你一个很好的锻炼！

By use of bipartition, the entropy of each wavelet block approximates to the target bit rate of one. 5. An efficient algorithm is presented for constructing quantization tables of wavelet blocks with optimal bit allocations for a given image. The algorithm uses wavelet coefficient distribution statistics in a novel way, and pays attention to the traits of HVS.

该算法首先根据每个小波块所含能量的多少和到每个小波块实际编码所用的比特数，给其分配不同的码率；然后根据二分法，通过调整各小波块的量化因子使得各小波块的熵逼近它的目标比特率。

After wavelet transform and quantification, a prediction module is introduced to estimate the entropy of EBCOT code block within available bit plane, then using the summation estimate entropy of each code block to allocate the rate for each code block. T2 encoder sends feedback to control the coding depth by the pre-allocation bit rate and complete the rate-distortion optimization truncation.

算法引入了预测模板，对图像小波变换和量化后EBCOT编码码块的有效比特平面进行独立的熵估计，并以码块估计熵总和指导码率预分配，同时T2编码器由预分配编码比特率自适应地反馈控制编码深度、完成优化截取。

A feature model is set up first by Pro/E software based on the design feature of the bit, then by using Pro/Program tool, the parametrization design of the cone bit is achieved and the corresponding programs is worked out, which can promote the design efficiency and quality as well as decrease the design cost.

设计中，根据牙轮钻头的结构特点，用Pro/E软件建立特征模型，然后利用Pro/E的Program模块编程，采用数据文件与Pro/E模型交换数据，达到从特征模型中根据用户输入的参数而自动地在Pro/E中生成牙轮钻头的三维实体和二维加工图的目的，从而使设计人员从大量繁琐的绘图及计算工作中解脱出来。

Motherfukkers wanna act loco, hit em wit, numerous shots with the fo'-fo' Faggots runnin to the Po-Po's, smoke em like cocoa Fuck rap, coke by the boatload Fuck dat, on the run-by, gun high, one eye closed Left holes through some guy clothes Stop your bullshittin, glock with the full clip Motherfukkers better duck when the fool spit One shot could make a ***** do a full flip See the ***** layin shocked when the bullet hit I hate my high youth, no niggaz wanna buy you But see me I wanna fuck for free Now I gotta let her take this ride, make you feel it inside your belly, if it's tight get the K-Y Jelly All night get you wide up inside the telly Side to side, til you say Jay-Z you're too much for me I am a little bit of loneliness A little bit of disregard Handful of complaints But I can't help the fact That everyone can see these scars I am what I want you to want, what I want you to feel But it's like no matter what I do I can't convince you to just believe this is real So I let go watching you Turn your back like you always do Face away and pretend that I'm not But I'll be here 'cause you're all that I got Got a condo with nothin but condoms in it The same place where the rhymes is invented So all I do is rap and sex, imagine how I stroke See how I was flowin on my last cassette?

motherfukkers不愿扮演买卖，击中在束手无策，无数镜头与fo'佛' faggots runnin向蒲圃的，烟在想可可他妈的说唱，焦炭，由船他妈的数据，对我们来说处，枪高，睁一眼闭一眼，左孔，通过一些家伙衣服停止你的bullshittin ，格洛克与充分剪辑motherfukkers更好的鸭当傻瓜随地吐痰一杆可以做出*****做了充分倒装看到***** layin震惊时，一颗子弹击中我恨我高青年，没有niggaz想购买，但你看我，我想他妈的免费现在，我的宝贝，让她在此转乘，使你感到这里面你的肚子，如果它的紧迫得到健扬果冻一整夜，你得到了广泛的内telly方方， TIL的，你说的Jay - Z你太多，我我感到一点点的寂寞一点点的漠视少数投诉不过，我可以帮不了事实，即每个人都可以看到这些伤疤我什么我要你想，我想你的感觉，但它的，不管是什么，我我无法说服你只是相信这是真实的，所以我放手看着你谈谈你的背部一样，你总是做脸去，假装我不是但是，我可以在这里'的事业，你都是我的一个共管与nothin但是避孕套在这同一个地方，而语言是发明所以，我要做的就是Rap及性别，想象我如何中风，看看如何，我flowin对我的最后卡式？

The invention performs pseudo bit error rate statistic by utilizing the message of multi sampling points in each modulation symbol of discretization system, and again performs one-to-one mapping by utilizing corresponding relation between the pseudo bit error rate and the signal-to-noise ratio, thereby obtaining signal-to-noise ratio estimation value.

本发明利用了离散系统每个调制符号中多个采样点的信息进行伪误码率统计，再利用伪误码率与信噪比之间的对应关系进行一一映射，从而得到信噪比估计值。

In the past, the most of force testing experiment of bit teeth is by the way of single-tooth pressing or whole bit drilling, almost no by single-row running.

以前的三牙轮钻头牙齿载荷测试实验大多是以单齿静压入实验和全钻头钻进实验方式进行的，基本没有进行过单齿圈工作条件下的牙齿载荷测试实验研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。