查询词典 concave angle

The functional relation between incident angle and refractive angle of energy flow is obtained. According to this relation, we can restructure the refractive angle as negative or positive readily by selecting suitable permittivity and permeability tensors.

导出了电磁波的入射角和能流折射角之间的函数关系，根据此关系可方便地选择合适的介电张量和磁导率张量，使特定入射角所对应的折射是正或是负。

The experimental results show that the friction angle becomes larger with the exit angle and oblique cutting angle.

结果表明，毛刺大小随着加工速度的增加而减小；摩擦角随着出刀角度以及斜切角度的增大而增大，从而导致毛刺尺寸增大。

An obtuse angle is greater than a right angle: an obtuse angle of 100*.

这种观看的方式需要一个100度的角度来阅读的。

The connecting types of lamina papyracea and cribriform roof was right angle(3%), obtuse angle (44%) or acute angle(53%).

2纸样板与筛顶的连接方式有直角为3%，钝角44%，锐角53%。

objectiveto search a simple, safe and effective method for correction of prominent mandibular angle and malar under localanesthesia.methodsaccording to the patient' s condition with prominent mandibular angle and malar, abrasive osteoplasty was performed using the special designed grinding burs with protecting sheath through intraoral incisions under local anaesthsia.resultsfrom 2004 to 2008, we have performed 35 patients with prominent mandibular angle and malar using this method.

目的：探讨一种安全、简便、有效的下颌角肥大及颧骨突出矫治术。方法：根据下颌角肥大及颧骨突出的情况，在局部浸润麻醉下，由口内入路，应用颌面骨电动手术器械行下颌角、颧骨磨削术。结果：2004～2008年，我们共实施35例该手术，所有病例治疗过程顺利，未出现骨折、大出血等并发症，经过1～36个月的随访，所有患者均对术后效果满意。

OBMorph adopted a paraboloidal mirror to vary the incident angle, the wave-plates to modulate phase retardation, a reference optical path to stabilize the optical source, and a flow-injection system to drive bio-sample into the bio-chip. In order to having high precision in the ellipsometry subsystem of OB-Morph, it adopt a 0.4μm accuracy servomotor to control the stage that carried the right angle mirror and to control the variation of the incident angle.

本文中所建构之OBMorph检测系统中，椭偏仪技术是采用相位调制架构设计，开发出利用抛物面反射镜与球面反射镜组合而成之控制入射角改变的光机，加上波板以完成相位调制动作；并以一参考光路做为校准光源之机制，以及设置流道系统提供生物检测之用。

The practical problem of the arbitrary plane angle (the edge of the angle is the line at arbitrary position) in space and its projective angle is analyzed and studied in this paper.

本文对空间任意平面角（角边可为任意位置的直线）及其投影角这一具有实用性的几何问题进行分析研究；用几种不同的解析方法得出在各种情况下的关系式，从而能以最少的参变量，进行准确而简便的计算。

Both the methods for measuring such optical constants as cleavage angle, interference color level, extinction angle, length sign, optical sign, optic angle, pleochroism formula, absorptivity formula and the determining program for transparent minerals will be emphasized to lecture.

重点讲授透明矿物解理夹角、消光角、延性符号、干涉色级序、光性符号、光轴角、多色性公式、吸收性公式的测定方法和透明矿物的鉴定程序。

The effect of anchoring energy on the pretilt angle was considered for the first time in this thesis. The relations between pretilt angle and polar anchoring energy, also and effective twist angle were discussed.

本文首次考虑到锚定能的影响，给出了预倾角与极向锚定能和有效扭曲角的关系，发现在弱锚定条件下，增大扭曲角和降低极向锚定能都导致预倾角低于均匀盒中的数值。

The relation between the ultrasonic frequency f and the wavelength λ0 was deduced. The relations between the diffraction angle θd,the acoustic polar angle θa and the incident angle θi were calculated.

推导出超声波频率f和光波波长λ0的调谐关系；计算出滤波器的光谱分辨率R和集光能力δθi；光入射角θi与衍射角θd、声入射角θa之间的关系。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48