The amount of sky that you can view through a telescope is called the real (true) field of view and is measured in degrees of arc (angular field).
通过望远镜你所能看到的天空的范围称作真实视场，以弧度值(角视场)来度量。
Yellowstone is at the northeastern end of the Snake River Plain, a great U-shaped arc through the mountains that extends from Boise, Idaho some 400 miles (640 km) to the west.
黄石公园是在蛇河平原的东北端。蛇河平原是一个巨大的U弧形，由爱达荷州的博伊西山脉向外延伸出来的群山向西大约400英里(640公里)。
As they pass through, they trace out an arc, just like a thrown ball falling due to gravity.
当中子穿越平板时，它们划出一道弧线，就像投出一个小球一样。
Mr Aso speaks of an “arc of freedom and prosperity” from Japan, swinging through India via moderate Middle Eastern states into Europe.
又有麻生外相述及“自由与繁荣之弧”，谓自日本始，辗转入印度，终经温和之中东而入欧。
After a long day walking all around Paris, heading back to my hotel I could not help but be compelled to capture a truly amazing sunset through the Arc.
一整天都在巴黎转来转去，在回去宾馆的路上，我禁不住强迫自己一定要在凯旋门拍一张不同凡响的日落。
When viewed from northern latitudes, and as shown in the above horizontally compressed image, the Sun will make its lowest arc through the sky along the southern horizon.
在北半球，如上图所示，太阳沿着地平线南部以最低弧度划过天际。
An arc due to an AC signal usually quenches itself as soon as the voltage level passes through zero.
交流(ac)信号产生的电弧通常在电压通过零点时就会自己熄灭。
Through the acquisition of welding currents and voltages during welding, the arc behavior of welding process was analyzed.
对焊接过程的电流及电压波形进行采集，分析焊接过程的电弧行为。
Through the calculation of the finite element method(FEM) models for double circular arc profile spiral bevel gear, the stress changing pattern along the length of the tooth is obtained.
用有限元方法，对双圆弧弧齿锥齿轮沿齿长方向齿根应力进行了计算。通过应力计算结果的分析，得出了凸、凹两齿侧应力沿齿长的分布规律。
Through the theoretical calculation, the radial and axial temperature distribution of arc column and the thermal boundary region were obtained.
通过测量和分析计算获得了弧柱和热区的径向及轴向温度分布。
A perpendicular bisector of a chord passes through the centre and bisects the arc.
弦的垂直平分线经过圆心，并且平分弦所对的两条弧。
Mr Aso speaks of an "arc of freedom and prosperity" from Japan, swinging through India via moderate Middle Eastern states into Europe.
日本外相麻生太郎称“自由与繁荣之弧”——即从日本开始，辗转印度，经过局势缓和的中东，再进入欧州版图。
The observers did not see the paladin move, only the bright afterimage as the crystal sword traced a lightning-like arc through the fiend.
两个观察者都没有看清那个圣骑士的动作，只看到了水晶剑划出的穿透那个恶魔的闪电般的美丽弧线。
The source of the system is determined through researching the interference light (Arc light) characteristics and the characteristics of the laser light source and clear welding images are obtained.
通过研究焊缝跟踪干扰光（电弧光）的特点和激光光源的特点，确定了该系统的光源，获取了清晰的焊缝图像。
Through observation of the arc movement, the principle of the arc can be understood better and performance of circuit breaker can be improved.
通过对电弧运动的观察有助于更好地理解电弧的原理及对断路器进行改进。
And the optimum electric arc spray parameters were obtained through comprehensive experiment.
通过正交综合实验，确定了较合适的喷涂工艺参数。
The influence of the Angle between laser beam and plasma arc beam on the precision of a deposited layer was analyzed through experimental studies.
通过实验研究分析了激光束与等离子束复合角度对熔积层精度的影响规律。
Then selecting parameters again, we can express the alignment's line, arc, transition curves through the variations of parameters.
方案选定后，重新确定样条函数的参数值，通过参数值的变化，准确表达线形中的直线段、圆弧段、缓和曲线段等。
Outside the arc-light shone through the bare branches of a tree.
外面弧光灯的亮光透过光秃的树枝。
The parabolic shape is better than the arc shape through comparing time averaged pressures, fluctuating pressures and cavitations by theoretical analysis and hydraulic model experiments.
通过理论分析与模型试验，从时均压力、脉动压力、空化数等方面得出缓坡与陡坡过渡衔接部位采用抛物线型式较圆弧型式好的结论。
Ruyuan is located in the southern foot of Nanling Mountains, through the arc-shaped mountain, the terrain from the northwest to southeast tilt.
乳源位于南岭山脉南麓，贯穿弧形山系，地势由西北向东南倾斜。
Aclinic adjustment method is used instead of the conventional way, the arc trace is gained through rotation of the shell of the top roller bearing.
改进时摒弃了利用标准上罗拉轴承外壳旋转来获取圆弧划痕以供调整的方法，采用了平面直线调整法。
Based on the principle of the least deviation method, the paper puts forward a rapid and high-precision arc interpolation method through special-structural discrimination function.
在最小偏差法原理的基础上，通过构造独特的偏差判别函数，提出了一种快速高精度的圆弧插补方法。
Qinglong River flows through the center of the architectural complex. Built in the Ming Dynasty (1368~1644AD), Qinglong Bridge crosses the river and is the largest stone arc bridge in Lijiang.
青龙河自建筑群的中央穿过，建于明代（公元1368～1644年）的青龙桥横跨其上，青龙桥是丽江境内最大的石拱桥。
An artifice of passing through and evaluating bifurcation points and an improvement for the arc-length method are presented.
一个跨越和求取分支点的技巧和对弧长法的一个改进在文中提出。
Welding defects such as collapse of molten pool, burning through, would like to happen in the high efficient gas shielded metal arc welding.
应用高效的气体保护熔化极电弧焊焊接铝合金薄板时，容易出现熔池下塌、烧穿等焊接缺陷。
Principles of reasonable values and reference data of saw tooth's rake, relief, wedge angles and radius of bottom arc can be determined through finite element method of calculation and optimum design.
通过有限单元法计算和优化设计，确定锯片齿形前角、后角、楔角及槽底圆弧半径合理值的原则及其参考值。
The near arc area image is catched by a CCD camera through a specially designed visible light compound filter system.
由CCD摄像机通过特殊设计的复合滤光系统摄取近弧区图象。
Based on the through the arc sensing method, a method is put forward to recognize the disturbance information of gas metal arc welding (GMAW).
基于电弧传感的检测方法，提出了一种识别GMAW焊接过程干扰信息的方法。
The abnormal phenomenon of long time higher neutral voltage shift in a substation is analyzed, which is grounded through arc suppression coil.
针对变电所消弧线圈接地系统在正常运行情况下中性点位移电压长时间偏高现象，进行了分析。
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