查询词典 contrast ratio

The economy and performance characteristics of LIYANG car equipped with CVT and MT are studied respectively and compared. 3Based on experimental analysis, the relation among the speed ratio changing rate, oil pressure of driving and driven pulley cylinders, driving pulley input speed and torque, metal belt speed ratio has been studied. Model for getting the ratio changing rate is put forward, and practical equation giving the ratio changing rate is obtained by experiments.

对装有CVT和装有MT的羚羊轿车的经济性和动力性进行了计算和比较分析。3）通过实验分析，研究了主、从动轮油缸压力、主动轮转速、输入转矩和带式无级变速传动速比与速比变化率的关系，建立了获取CVT速比变化率的模型，导出了符合实际规律的实用计算公式。4）应用键合图理论，建立了金属带式无级变速汽车传动系的键合图模型，推导了系统的状态方程。

This paper studies the effect of consequent post heat treatment on the mechanical property and shape memory ratio of the welded TiNi joints in TiNi shape memory alloy precise pulse resistance butt welding,analyzes the joint structures and fractographies affecting mechanical property and shape memory ratio of welded joint by using strength testing, SEM and TEM, gets the optimum welding parameters obtaining good shape recovery ratio welded joint, and has discovered the inherent reason for proper consequent post heat treatment to promote the joint shape recovery ratio from microcosmic point.

摘 要：采用拉伸测试、SEM、TEM和定点成分能谱分析等手段研究了随机后热处理对TiNi形状记忆合金精密脉冲电阻对焊焊接接头力学性能、形状恢复率的影响，并对影响接头力学性能和形状恢复率的接头组织和形貌进行了研究，得出了获得具有较高形状恢复率接头的焊接参数，从微观角度揭示了随机后热处理提高接头形状恢复率的内在原因，为TiNi形状记忆合金的开发和应用提供了基础，具有重大的理论和实际应用价值。

In accordance with the contract set, the structural security of the notes corresponding to the funds through a certain degree of structure and mechanism of the full allocation of the proceeds in assets and capital preservation assets, including assets, income, the ratio of fixed-income goal of 45%(20% to 70 % Floating), the target ratio of 35% of the shares (10% and 60% floating), the real estate trust the target ratio of 10%(a maximum of 15%), commodity funds target ratio of 15%(a maximum of 15%); capital preservation assets are invested in zero-coupon notes.

按照合同规定的规定，票据的对应资金结构的安全性通过结构和在资产和资本保全资产，包括资产，所得收入全部分配机制一定程度时，固定收益率目标的45％（20％至70％浮动），有35％的股份目标比例（10％和60％的浮动），房地产信托10％的目标比例（15％最大），商品资金15％的目标比例（15％为上限）；资本保全资产投资于零息债券。

The dry atmosphere consists almost entirely of nitrogen (78.1% volume mixing ratio) and oxygen (20.9% volume mixing ratio), together with a number of trace gases, such as argon (0.93% volume mixing ratio), helium, and radiatively active greenhouse gases such as carbon dioxide (0.035% volume mixing ratio), and ozone.

干大气几乎完全由氮（78.1%的体积混合比）和氧（20.9%的体积混合比）构成，还包括一些微量气体，如氩（0.93%的体积混合比）、氦，以及对辐射起作用的温室气体如二氧化碳（0.035%的体积混合比）和臭氧。

The main characters is the contrast : positive and negative character contrast -- and love Smeshko Hamida Jiaximo mostly good-hearted, sincere and beautiful human representatives, Crowder, and France is selfish, cold and ugly human representatives, very good and evil were clearly reflected in these two groups of people - who produced a strong contrast.

最主要的是人物形象的对比：正面与反面人物的对比--爱斯梅哈尔达和加西莫多是善良，真诚和美好的人性的代表，克罗德、法比则是自私、冷酷和丑恶的人性的代表、善与恶十分鲜明地分别体现在这两组人物身上，产生强烈的对照。

This paper presented the research and exploration of mechanism and technics as well as the design of the magnetic circuit of this new compound machining, based on above, establishing the parameter model, meantime, analyzing influential effects on productivity of magnetic and EDM compound machining the holes through large numbers of experiments, including velcoity contrast experiments of pre-compound and after-compound machining with the change of current, velcoity contrast experiments of pre-compound and after-compound machining with the change of magnetic induction, velcoity contrast experiments of pre-compound and after-compound machining with the change of impulse width, experiments of the superficial roughness, experiments of the Electrode wastage, and intersectant experiments analysis as well as the change experiments of current waveforms. Through a number of experiments we analysed the influential effects of magnetic and EDM compound machining, compared the factors with EDM by oneself. A large of experiment records and deducibility have demonstrated that the productivity of magnetic and EDM compound machining is developed by 20%～400% than traditional EDM.

本论文对磁场电火花复合加工这种新的复合加工的机理、工艺和复合加工的磁路设计进行了研究和探索，在此基础上，建立了磁场电火花复合加工的参数模型，同时通过大量的随着电流变化磁场电火花复合前后加工速度对比实验、磁感应强度变化时的加工速度变化实验、随脉冲宽度变化的加工速度实验、表面粗糙度实验、电极损耗量实验、磁场电火花复合加工正交实验分析、电流波形变化等实验，实验分析了影响磁场电火花小孔加工效率的因素，并且跟单一的电火花加工中的影响因数进行了比较，大量的实验数据和理论推导证明磁场电火花复合加工比传统的单一电火花加工的效率提高了20％～400％左右。

Methods: Twenty-five cases of urethral diseases underwent urethral retrograde contrast sonography and other ways (X-radial urethral contrast, urethroscope and emiction way of urethral contrast).

用逆行尿道声学造影检查25例尿道疾病患者。同时作X线尿道造影、尿道镜、排尿法尿道声学造影进行对比。

This text mainly is to panorama video frequency picture, the usage partitions new calculate way automatically according to the video frequency object of timespace consociation at preparing processing stage's ash to video frequency sequence degree diagram to carry on a partial contrast degree to strengthen a processing, increasing foreground object and the contrast degree of background, the filter which passes 3 ×s 3 templates filters in addition to contrast degree strengthen after of lead go into of a little amount 噪 voice;Then aim at the circumstance of complicated background, the calculate way in the text puts forward the covariance characteristic backlog which makes use of immediately signal to get the background that the calculate way needs, overcoming the irregularity that the handicraft obtains background, carrying out a background information to obtain automatically;The standpoint put forward a background backlog finally to categorize a discussion in the process, solved object stop sport time is longer result in the partition throw the problem for losing.

本文主要是对全景视频图像，运用基于时空联合的视频对象自动分割新算法，在预处理阶段对视频序列的灰度图进行局部对比度增强处理，增加前景物体与背景的对比度，通过3×3模板的滤波器滤除对比度增强后的引入的少量噪声；然后针对复杂背景的情况，文中的算法提出利用随即信号的统计特性积累得到算法所需的背景，克服手工获取背景的弊端，实现背景信息的自动获取；最后提出背景积累过程中分类讨论的观点，解决了物体停止运动时间较长时造成分割丢失的问题。

Appraised the "Blood-Stasis" clinical appearance integrative scores, Nail fold Microcirculation scores, and determined hemorheological indexes before and after treated 3 months, 6months, then contrast intragroup and intergroup, and contrast to 30 healthy mid-age women who underwent checkup at the same time; determined anterior-posterior position lumbar1~4 vertebra body bone mineral density before and after treated 6 months, then contrast intragroup and intergroup.

两组治疗前及治疗3个月、6个月后分别评定"血瘀"临床表现综合评分、甲襞微循环评分并测定血液流变学指标，组间及组内治疗前后对比，并分别与同期体检30例健康中年妇女对比；治疗前及治疗6个月后测定腰1－4椎体前后位骨矿物密度，组间及组内治疗前后对比。

Results Cavernous hemangiomas had a enhancement from edge to inside after contrast enhancement scan,and had equal-density with spleen in plain scan. Cystic focus of spleen had not enhanced in contrast scan with lubricous border. Lymphangioma enhanced in contrast scan with multiple round focus.

结果 海绵状血管瘤增强扫描呈边缘强化并向中心充填，延期扫描病灶可完全弥合与脾成等密度；脾囊肿呈圆形或椭圆形囊状占位，水样密度，边缘光滑，不强化为其特点；淋巴管瘤的典型表现是多发低密度灶，可有间隔状强化。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。