查询词典 orientation preserving isomorphism

The optimal harvest time,preserving the green,boiling and technique of preserving the brittleness of Mongolia Scorzonera was studied.

研究了蒙古鸦葱的采收时机，护绿、烫漂和保脆技术，实验表明：选择叶龄在18~20d采收，在浓度为0.2%的稀碱溶液中浸泡30min保绿，烫漂温度98℃、时间叶柄1.5min、叶片0.5min，在烫漂液中加入0.15%的氯化钙保脆等措施，解决了产品速冻时的褪色、质地变软等问题。

I have had many years of wood-preserving company, charring, and strengthen the practical experience of senior experts and a group engaged in wood-preserving, charring, complete sets of equipment to strengthen the design of high-, intermediate engineers and technicians, we can in accordance with the actual requirements of customers to provide the best possible design and Technology program.

我公司拥有多年木材防腐、炭化、强化实践经验的资深专家和一批从事木材防腐、炭化、强化成套设备设计工作的高、中级工程技术人员，我们可根据客户的实际要求提供最佳的设计及工艺方案。

In this chapter, we obtain the following conclusion: Let f=h+〓 be a univalent orientation-preserving harmonic mapping defined on the unit disk U such that f is convex in a direction and real on the real axis, and satisfies the normalization f (0)=0 and 〓, then f is typically real.

在这一章中，我们证明了如下事实：对于单位圆U上的单叶调和映照f=h+〓，如果它满足条件〓，且在其映照下单位圆的像域是一个方向凸的，则它必定是典型实照映射。

In this method, a feature vector with desirable characteristics including spatial locality, frequency and orientation selectivity is obtained by DT-CWT. Then, the dimension of the vector is linearly reduced by ONPP, thus effectively preserving the intrinsic neighborhood geometry of the vector and the global geometry.

先通过DT－CWT得到具有空间、频率以及方向特征的人脸特征表示，然后使用ONPP对特征向量进行线性降维，有效地保持了数据的局部与全局的几何特征，最后进行识别测试。

Test of simple tension at different orientation ; angle of orientation ; yield condition of aeolotropy ; plasticity strain ratio ; bidirectional fortification or weakening

不同取向的单向拉伸试验；取向角；各向异性屈服条件；塑性应变比；双向强化或双向弱化

The conventional aerotriangulation solves only the elements of exterior orientation 〓ω,κ, X〓, Y〓, Z〓 of photo, whereas the elements of interior orientation x〓, y〓, f of aerial camera are often determined in the laboratory. As the laboratory methods can not take into full account the actual conditions in aerophotography, large deviations often occur.

长期以来，航摄仪的内方位元素主要在实验室采用物理方法检定，而像片的外方位元素则主要依靠空中三角测量和大量地面控制点间接解求。

The American Psychological Association defines sexual orientation as such: Sexual orientation is an enduring emotional, romantic, sexual, or affectional attraction that a person feels toward another person.

美国心理协会是这样定义性取向的：性取向是对他人持久的情绪、情感、性和情感吸引上的状态。

If the orientation of these surfaces needs to be better than the orientation provided by the profile of a surface tolerance, an angularity tolerance may be added as a refinement.

若还需要比面轮廓度的方向控制得更好些，可以再给出倾斜度公差要求。

In region of columnar grain, preferred orientation growth is obvious. Obviously preferred orientation on 〈001〉 was confirmed by the antipole figure. Besides, the CSL grain boundary such as ∑3,∑5 and so on are observed. Among these kinds of boundaries, the ∑3 boundary has the highest frequency.

测试结果表明：CVDW生长组织具有三个生长区，分别是等轴晶区、混合生长晶区和柱状晶区；柱状晶区的晶粒具有显著的〈001〉择优生长；低∑CSL晶界占据较大比例，其中以∑3、∑5为主要结构，∑3的出现频率最大。

After analysing the existing smooth orientation interpolation methods we proposed a smooth orientaion interpolation method based on cubic cardinal spline in quaternion space. This method possesses the following advantages: interpolation, C〓 continuity, accurate evaluation of the quaternion value at arbitrary parameter, transparent to the users, adjustable parameters for controlling the velocity of orientation change.

在分析现有的朝向光滑插值方法基础上，提出了基于四元数空间三次C样条的朝向光滑插值方法，该方法具有插值、C〓连续、任一参数处的四元数值可精确求得、对用户透明、可以用参数调节关键帧处物体朝向变化的速度等优点。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。