查询词典 accurately

It is difficult to calculate the natural frequencies of silent chain drive accurately because of the discontinuity of its structure and the polygonal effect.

其中心线的位置存在着周期性的变化，这种变化使得链节和链轮的接触与脱离是在一瞬间完成的，链条存在着剧烈的横向振动。

These methods are validated using simulation data, data measured in microwave anechoic chamber and practice measured PolSAR complex imaging data. Unlike the traditional method, these methods can estimate coherent scattering matrices of scattering centers accurately by overleaping the step of scattering center association.

利用仿真数据、暗室测量数据和实测PolSAR复图像数据，验证了这两种方法的有效性，其突出优点是不需要进行散射中心位置及极化的关联，并可以实现相干极化散射矩阵元素的同时估计。

In this exhibition, the design style of Chambertin lifestyle accurately grasp the spirit of the modern needs and attitude to life, with "new nostalgia" theme throughout the entire design .

此次展览会上，香伯廷家居产品设计风格准确地把握了现代人的精神需要和生活态度，用"新怀旧"的主题贯穿整个设计理念，舒缓从容，淡定优雅，使整个空间弥漫了知性与浪漫的气氛。

With the development and progress of the society, autonomous learning and characteristic learning become more and more important in the instructional mode of adult education, and the paper-and-pen exam comes to expose its disadvantage like unilateralism and changelessness. We find out in instructional practice that the paper-and-pencil tests usually hard to fit the cognition of adult learner, so it is hard to evaluate accurately and efficiently.

在实际教学中我们发现，传统的笔试方式往往很难适应成人学生的认知特点和认知规律，从而难以保证考试结果作为课程教学效果测评的准确性和有效性；并且，传统笔试形式极大忽略了考试的诊断反馈功能，忽略了考试结果所体现出的教学过程中出现的问题或是教师很难从考试结果中发现问题，因此不能有针对性地改进教学。

In order to improve the validity of identifi cation of digital image origin and predetermine accurately threshold of identification,a new probability density function of generalized chi square distribution is constructed within0,1 for asymmetrical distribution of noise correlation.

为了提高鉴别数字图像来源的正确性，正确设置判别阈值，针对噪声相关性的非对称分布，在0，1区间构造了一个广义chi平方分布的新函数，并提出了一种利用广义chi平方分布来描述噪声相关性的非对称分布和利用广义高斯分布来描述噪声相关性的对称分布的新方法。

We find that this new phenomenon is very interesting, and looks contrary to the usual Christiansen effect, but can be explained with Lorentz dispersion model accurately together, so we call it reverse-Christiansen effect. Exactly at this frequency, the refractive indices of these tow materials are equal, and absorption coefficients are very small.

我们发现，这个新现象非常有趣，它与克里斯坦森效应表面上相反，但都可用Lorentz色散模型给予精确地解释，於是称它为反克里斯坦森效应，在该效应出现的频率两种材料的折射率相等，且吸收系数都非常小。

The debate has also raised the important issue of how to measure chromatin condensation accurately.

这场争论还提出了重要的问题那就是如何准确的测量染色质凝聚。

First, it was to obtain two binary images from segmenting image by two thresholds. Second, erosion, opening and closing were done to the two images according to some knowledge of the shape and location of the objects in the image that we have already known. Last, the edge information from the image segmented by a high threshold was put into the image segmented by a low threshold. It is the way to segment and discern circular objects accurately from the complex image and can greatly improve the accuracy rate of discerning.

首先分别根据两个阈值进行分割得到两幅二值图像，然后根据目标是圆形以及其大致位置等先验知识分别对两幅图进行腐蚀，开启，闭合等数学形态学运算，将高阈值分割得到的图像中的边界信息叠加到低阈值分割得到的图像中，实现对复杂背景图像中圆形物体的准确分割与提取，解决了复杂背景图像中物体识别率低的问题。

To validate the model, the numerical simulation is performed for three cases: the wind driven circular flow, the dam-break wave on initial dry bed and the tidal flow in estuary of the Yangtze River. Results show that the model can accurately simulate the 3-D flow structure, and has good numerical stability.

封闭水池内部风生环流、干河床上溃坝过程和长江口实际潮流场的模拟从不同侧面展示了模型的特点，结果表明它能够准确地预测水流的三维流动结构，而且计算简单高效，具有良好的数值稳定性。

This demonstrates that sometime in the history of the earth, before at least the 1500's a sea faring people existed that could circumnavigate the globe and accurately survey its features.

这证明了在地球历史中某一个时候，至少1500年代以前一个以海洋为生的人可以环航地球并且正确地审视它的特征。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。