查询词典 variable compression ratio

In this case, the image is generated through a video digitizer and compressed before transmission. Methods such as JPEG or MPEG, described in Chapter 6, are used to downsize the image. The reduction of image size depends on the compression method and compression rate.

这种方法在传输前先对数字图像进行压缩，一般使用的压缩方法有JPEG和MPEG，压缩后图像的大小取决于选用的压缩方法和压缩时选择的参数。

The model is used to simulate data of stress relaxation coefficient and compression set rate of two types of vulcanites with the changing of the time, and the results show that this model can give good description of degradation property of stress relaxation and compression set of vulcanite.

结果表明，该模型可以对硫化胶的应力松弛和压缩永久变形性能的老化给出很好的描述。

Meanwhile,introduce the resource state of the huge Timber Mountain Gum × Flooded Gum timber of end too,combine gradually deficient wildwood timber resources in our country, so, huge Timber Mountain Gum × Flooded Gum timber physics mechanics nature includes the tail: Moisture content , density, swelling, obey the compression strength of the line, horizontal line compression strength , bending strength , resist curved elastic mould amount , resist intensity of cutting , carry on experimental study along line along line tensile strength and hardness, there is a very important and real meaning.

同时，也介绍了尾巨桉木材的资源状况，结合我国逐渐匮乏的天然林木材资源，因此，对尾巨桉木材物理力学性质包括：含水率、密度、湿胀性、顺纹抗压强度、横纹抗压强度、抗弯强度、抗弯弹性模量、顺纹抗剪强度、顺纹抗拉强度及硬度进行试验研究，将有着十分重要而实际的意义。

The sensitivity of 3d-tof-mra for diagnosing vascular compression or contact was 88.2%, and the accuracy compared with the surgery was 91.8%. conclusion 3d-tof-mra plays an important role in demonstrating the relationship of the cisternal portion of facial nerve with its surrounding vasculature, and has high sensitivity and accuracy in judging neurovascular compression or contact, which may help to select the proper method for treating patients with hfs. 3d-tof-mra appears to be an important imaging test for determining pathogenesis of hfs.

3d-tof-mra 能清晰显示面神经脑池段及其与毗邻血管的关系，对责任血管的诊断有较高的敏感度和准确度，是面肌痉挛术前病因评估的重要指标，对指导术者探察责任血管，避免遗漏，提高手术疗效等方面具有重要意义。

When we designed the system, we considered some key factors such as the system must deal with and store a great deal video and audio data, the capability of the hard disk in the server and client, hi the part of video compression, we choose the currently MPEG-4 video constringent card to complete the collecting and compression of the video and audio signals .

在论文研究与实用系统设计中，充分关注到大量视音频数据的处理、存储以及服务器和远程客户端的硬盘容量等关键因素，视音频压缩采用了最新的MPEG-4视音频压缩卡进行视音频信息的采集和压缩。

Methods 122patients undergoing percutaneous coronary intervention were ran-domly divided into two groups,61patients in artificial compression bandaging group and the other61patients in direct bandaging group.The incidence of bleeding complications and decannulation compression time were observed in both groups.

进行冠脉介入检查治疗的122例患者，随机分为人工压迫包扎组（61例）和直接包扎组（61例），观察住院期间出血性并发症发生率和拔管压迫时间。

By considering the effect of different binders,basicity,reduction temperature and time on the compression strength and dezinc degree after reducing,find out the best scheme A1B3C3D3 and get the metallic pellets with higher compression strength and dezinc degree .

通过研究不同粘结剂、碱度、还原温度和还原时间对熟球抗压强度、脱锌率的影响，找出最佳试验方案为A1B3C3D3，得到脱锌率和抗压强度较高的金属化球团。

You see, with a regular flat bow, the compression forces are distributed along the whole width of the bow, but with the ELB, the compression is concentrated at the crown of the D on the belly.

你想，在一个普通的扁弓上，压缩的力量是分部在整个宽广弓上的，但在英国长弓上压缩的力量是集中在弓腹D型的中点。

The microstructure, phase transformation, compression property and strain recovery characteristics of equiatomic TaRu super high temperature shape memory alloy have been studied by optical microscope, XRD, DTA, compression tests and TEM observations.

作者： 高昕，郑玉峰，蔡伟，张姝，赵连城单位：哈尔滨工业大学材料科学与工程学院，黑龙江哈尔滨 150001摘要：利用光镜、XRD、DTA、压缩试验和TEM研究了等原子比TaRu超高温形状记忆合金的显微组织、相变、压缩特性和应变恢复特性。

Results ①The most common lesions were the extragastric compressions caused by spleen, which accounted for 54.74%, followed by the enlarged gallblodder, hepatic cyst and carcinoma in the left lobe, left kidney, pancreatic cystic adenoma and pancreatic cyst.②The diagnostic accurancy of EUS was 100%, which was higher than that of USP.③Most of the lesions, benign or malignant, had normal structure of the gastric wall.④Splenomegaly only accounted for 38.46% in the lesions caused by the compression of spleen, which were slightly to moderately enlarged.⑤The location of the lesion was usually related to the organ which caused the extragastric compression.

结果 ①胃外压性隆起中脾脏压迫最多见，占54.74%，其余为肿大胆囊、肝右叶囊肿、肝左叶癌、左肾、胰腺囊腺瘤和胰腺囊肿；②EUS对胃外压性隆起的诊断正确率达100%，其对外压灶的完全显示率高于微超声探头；③良性胃外压灶及多数恶性肿瘤胃外压灶其所压胃壁结构均正常；④脾脏压胃者中脾肿大仅占38.46%，且均为轻、中度脾肿大；⑤胃隆起部位与外压灶的种类相关联。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。