Concentric spheres are parallel.

同球面是平行。

These two roads are parallel.

这两条路是平行。

Preassembled parallel wire strands, in contrast to structural strands, do not require prestretching.

预先装配平行钢丝索与结构钢缆相比，不需要预拉。

A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.

四个边相等平行四边形；不是直角等边平行四边形。

"The Bar tracery of the parallel English Decorated style formed netlike patterns Based on the circle, arch, trefoil, and quatrefoil."

平行英国装饰风格棂条窗花格以圆圈、拱形、三叶形和四叶形为基础,形成网状图案。

Die centering in press is obtained by milling a slot on the bottom subplate parallel to the direction of the feed.

通过在与进料方向平行底部底板上铣出一个狭槽来实现压床上模具调整。

In this article the nonparallel stability of the boundary layer is investigated effectively by using the parabolized stability equations (PSE).

采用为有效稳定性方程(PSE)方法研究边界层非平行稳定性。

Both clinopyroxene and orthopyroxene show exsolution texture.The exsolution rods generally are parallel each other no matter they are straight or curved.

单斜辉石和斜方辉石均发育出溶结构，出溶条纹或者平直或者发生舒缓弯曲变形（即便是在发生弯曲情况下也是完全平行）。

Two or more folds parallel to each other with adjacent folds in opposite directions, resembling the bellows of an accordion. Alternative term: fanfold.

两个(以上)平行摺以不同边方式连接，类似手风琴腔。

Rotational alignment of the trochlear component parallel to the epicondylar axis optimizes patellar tracking.25,26 Palpation of the epicondyles is difficult, particularly when using smaller incisions.

与上踝轴平行滑车成分旋转位移能使髌骨痕迹最优25.26。上踝触诊很难，特此是使用小切口时。

Objective: To evaluate the diagnostic efficacy of the bitewing radiograph(BWR),clinic examination(CE) and laser fluorescence examination (LF) for detection of initial posterior approximal caries .

体外评价比较平行投照牙合翼片(BWR)、激光荧光法(LF)和模拟临床检查(CE)等3种诊断方法对早期邻面龋诊断水平。

I set off 12 months ago to investigate a phenomenon at the magnetic North Pole. A world in a parallel universe, where there is no Magisterium.

我一年前出发去调查发生在北怪事.一个平行宇宙世界,在那儿没有教主.

In this chapter, we partially solve the problem of inner radius of univalence for some parallelogram, applying the properties of extremal sets of Schwarz derivatives.

在这一章我们利用Schwarz 导数值集重要性质部分解决了几类平行四边形单叶性内径。

One cannot achieve an exponential speedup by treating the problems as structureless “black boxes,” consisting of an exponential number of solutions to be tested in parallel.

光是把问题看成没有结构「黑箱」，里头有指数多个在等待平行测试可能解，然后去找出可达到指数加速演算法，这点目前还做不到。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬线表象为平行于赤道直线，经线表象为对称于央直经线双曲线，且面积没有变形投影集合，并得到一组概括公式。