可以使用双能X 射线吸收仪测量下颌角和股骨区的骨密度。
The bone density of the mandibular angle and coxofemoral region can be measured with dual-energy X-ray absorptiometer.
20是一款可规避雷达的喷气式飞机，拥有与五角大楼的隐形飞机F - 22“猛禽”一样的标志型双v型垂直尾翼。
It is the J-20, a radar-evading jet fighter that has the same two angled tailfins that are the trademark of the Pentagon's own stealth fighter, the F-22 Raptor.
波顿给了德普一次挑战，在《剪刀手爱德华》(1990年)中出演爱德华一角：这部离奇古怪的童话讲述了有一双剪刀手的男孩不顾一切追寻真爱的故事。
Burton challenged Depp, casting him as Edward in Edward Scissorhands (1990) : a twisted fairytale about a boy with hands made out of scissors who yearns to find love.
佳士得拍卖行将展示一枚由珍稀三角蓝钻与白钻搭配的特色双宝石金指环。
The auction house, Christie's will soon be offering a two-stone ring featuring an extremely rare triangular-shaped blue diamond paired with a white diamond on a gold band.
用X射线单晶衍射测定了该配合物的晶体结构。结果表明，配合物中锡原子呈五配位畸变三角双锥构型。
The crystal structure was determined by X ray single crystal diffraction, the structure is a distorted triangular bipyramid with five coordinated central tin atom.
本文在深入研究激光三角测量原理的基础上，提出了一种三维曲面的激光双三角测量法，并给出了设计要点。
On the basis of a thoroughgoing study of the principle of laser triangle measuring method, a laser two-triangle measuring system for 3-d...
本文在深入研究激光三角测量原理的基础上，提出了一种三维曲面的激光双三角测量法，并给出了设计要点。
On the basis of a thoroughgoing study of the principle of laser triangle measuring method, a laser two-triangle measuring system for 3-D curved surface is described.
本文介绍了一种双偏光大分束角输出的晶体偏光棱镜的设计方法。
A designing method for crystal-based double polarizing prisms with large beam-splitting angle is presented.
文章对目前常采用的定位方法进行了分析，提出了用双直角三角形阵对声目标进行定位。
The paper analyzes various methods of target location, and presents a method of acoustic target location with a dual righttriangle array.
双圆弧齿轮齿端修形是减小啮入冲击、降低传动噪声、避免齿端崩角、提高使用寿命的有效措施。
The tooth end relief is an effective process for double circular arc gear to lighten the shock, lower the meshing noise, and prevent the tooth end from breakage, so as to prolong the service life.
弹性薄板屈曲的临界压力计算，在弹性力学中一般都是采用双三角级数解法，计算过程比较复杂，工程中应用不方便。
In elastic mechanics, it is common practice to calculate critical loads in buckle of thin plates by means of double triangle series.
应用球面三角法和方向余弦矩阵法分别推导出双轴陀螺平台的支架误差公式，发现由这两种方法推导出来的公式计算结果是一致的。
Methods of spherical trigonometry and direction cosine matrix were applied respectively to derive the bracket error, and the two methods had the same error formula and the same calculation results.
讨论了正弦波输出的交—交变频器触发角的控制方案，实现了双微机控制的交—交变频器的低频控制，给出了实际运行波形。
The triggering Angle modulation method of the sine-wave cyclo-converter is carried out, and the operating wave form of the designed system is put forward.
对于电动机起动需要控制起动电流和转矩震动的问题，采用双闭环的控制方案，即电流闭环控制和功率因数角闭环控制。
As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.
本文研究的是一种由双CCD构成的电视测角仪的参数自动检测技术。
This paper studied a kind of automatic test technology of the parameters used in a dual-CCD TV goniometer.
采用烟雾成像的可视化方法，对单、双三角柱型钝体的旋涡脱落特性进行了实验研究。
We made the flow visualization experiment for flow over bluff body or dual bluff body to study the characteristics of vortex shedding.
另外用代数多项式和双正弦级数组成的解来满足角点条件。
Moreover, the solution composed by algebraic polynomial with double sine series is used to satisfy the corner conditions.
介绍了采用激光片光技术在风洞中进行双三角翼剖面流动显示研究的方法和主要结果。
In this paper, the laser sheet technology is used to research the flow visualization of sections of double delta wing, and some important results are introduced.
目的观察急性闭角型青光眼手术前后应用双氯芬酸钠的作用。
Objective To observe the effects of diclofenac sodium used before and after operation in acute close-angle glaucoma.
然后利用双三角级数构造满足层板分层区位移边界条件的位移模态。
Then, a trigonometric series is applied to describe the displacement mode satisfying the boundary conditions.
特点：双辊破碎机采用三角带或万向节联轴器进行传动和调节两辊之间的间隙。
Features: double rollers crusher adopts v-belts or gimbal couplings for transmission and adjust the gap between two roller.
本文分析偏置双曲柄滑块机构的急回运动特性，给出了按最小传动角设计偏置双曲柄滑块机构的设计方法和设计曲线。
The characteristic of quick-return of offset double crank slider mechanism was analyzed in this paper. The synthesis method and curve of this mechanism with minimum transmission angle were presented.
利用辛变换条件得到了一些新的切比雪夫多项式公式、三角恒等式和双曲恒等式。
In this paper by using the symplectic transformation condition, some new formulas including Chebyshev Polynomial, trigonometric identity, hyperbolic identity were obtained.
针对双圆锥扫描式红外地平仪因无刷直流扫描电机转速不均匀造成的姿态角测量误差进行了研究。
Attitude measurement errors of the double cone scanning infrared earth sensor caused by brushless DC motor speed asymmetry was researched.
论文通过模型试验和空间有限元分析对具有双三角边箱主梁的纵向加劲桥面板的内力情况进行研究。
Based on the model test and analysis of 3D limited units, this paper studies the internal force of lengthways stiffened bridge deck slab of double-triangle side box girder.
提出采用双伺服加速度计同轴和垂直系统的两种方法，能够解决风洞模型攻角传感测量中的抗振动干扰问题。
This paper presents two methods of using double servo accelerometers to make precision model attack angle measurements in wind tunnel testing.
本发明涉及用于PEMFC电池组歧管的除水部件，具体而言涉及一种双极板，包括定位成在该极板边缘上形成V形突出的成角面。
The invention relates to water removal features for PEMFC stack manifolds, particularly relates to a bipolar plate includes angled facets oriented to form V-shaped projections on the plate edge.
通过某机双三角机翼平面形状的优选，表明系统具有较高的实用性，并与工程实践相吻合。
Optimization for the double delta wing platform of a new advanced trainer shows that the system is quite applicable and the results …
通过某机双三角机翼平面形状的优选，表明系统具有较高的实用性，并与工程实践相吻合。
Optimization for the double delta wing platform of a new advanced trainer shows that the system is quite applicable and the results …
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