查询词典 precise

In brief, the process involves growing uniform crystals to a certain diameter, thinly slicing the crystal to very precise tolerances, edge rounding the form factors, polishing them into smooth wafers, then carefully packaging the wafers in a class 100/1000 room for shipping to customers. The main advantages of the VGF process include its scalability, low stress, high mechanical strength, and a defect rate that is orders of magnitude lower than conventional compound semiconductor crystal growth processes.

简言之，过程包括成长统一的晶体到某一个直径，薄薄的限制晶体到非常精确的公差，边缘圆整到形态要素，抛光他们成光滑的晶片，然后包装晶体在一个100/1000级别的空间为运输到顾客，VGF过程的主要优点包括，可测量性，低压力，高机械强度和一个比常规化合半导体晶体成长过程数量级低的过失率。

Sandy uroliths' in bladder and sigmoid flexure were clearly diagnosed with helical CT. At the same time, the location, size and shape of sandy urinary stones were satisfactorily found with intravenous X-ray radiology, B-mode ultrasonogram and helical CT. These results showed combined three methods in clinics were a fast precise methods to diagnose urolithiasis.

因此B超、螺旋CT和X射线腹部平片不仅对饲喂棉饼诱发的山羊砂石样结石有明确的诊断，而且可以方便地观察到结石的位置、大小、形态，三者的结合有利于对山羊砂石淋的快速、准确诊断。

Precise Signal Conditioning technology is an important direction that the field of monitoring develops.

精确的信号调理技术是测控领域发展的重要方向。

Special silex nozzle, smooth inside, angle precise, long-term spray, without crystal.

采用独特的石英玻璃烧制成的喷嘴，内腔圆滑，角度精确，长期喷雾，无结晶。

Experiment results show that this method can be used for effective compression and precise reconstruction of the domestic frequency shift signal, UM71 signal and ZPW-2000 signal, being characteristic of simple computation, flexible-scheme compression and good adaptability to practical requirements of railway sites.

实验表明，该方法可以对目前铁路现场主要使用的国产移频信号、UM71信号和ZPW-2000信号进行有效压缩和精确重构，且具有算法简单和方案灵活等特点，能够满足铁路现场实际运用的需要。

The main advantages of them include simple structure, efficient convergence, precise forecasting, etc.

该方法的主要优点有：网络结构简单，收敛速度快，预测精度高。

The steering wheel rim offering simply perfect grip also thanks to special contours allows precise movement of the steering wheel according to the driver's commands.

在方向盘的控制提供简单完美的轮廓也特别感谢允许的精确运动方向盘根据驾驶员的命令。

Satellite Laser Ranging, which appeared in the mid 1960's, is one of high precise space techniques. After almost forty years'development, the single-shot ranging accuracy has reached sub-centimeter level and it has been applied in many scientific fields.

卫星激光测距技术是二十世纪六十年代中期出现的精密空间测量技术，经过近四十年的发展，单次测距精度已达到亚厘米级，科学应用广泛。

This chapter clarifies the nested relationship between the matrix family of unitary, orthogonal, Givens, Householder, permutation, and row or column symmetric matrices. A precise correspondence of the singular values and singular vectors between the unitary-symmetric matrix and its mother matrix is derived and proved (hence a fast algorithm of singular value decomposition for unitary-symmetric matrix is straightforwardly obtained), and the corresponding perturbation bound is provided.

该章揭示了酉对称矩阵、正交对称矩阵、 Givens 对称矩阵、 Householder 对称矩阵、置换对称矩阵和行对称矩阵之间的逐级包含关系；推导并证明了，酉对称矩阵的奇异值和奇异向量与母矩阵的奇异值和奇异向量之间的定量关系，据此可得酉对称矩阵奇异值分解的快速算法；给出并证明了摄动矩阵的摄动界。

Sinusoid curve fit is a very useful method in precise measurement, based on the modeling measurement.

四参数正弦波拟合法是一种在精密测量中广泛使用的数学手段。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。