平行力

But now, you are applying an upward force and the displacement is downward, making the vectors antiparallel.

而距离仍然小时，但现在，你要申请一个向上的力和位移向下，使反平行向量。这给你负你做工作。同样，重力所做的工作，现在是积极的，因为它适用的力量向下，并且也向下位移。

Composition of Forces; The parallelogram Formula; Vector; High school student

中文关键词：力的合成；平行四边形定则；矢量；中学生

Results: After a hundred thousand cycles of compression loads, the performing condition of small bone defect, parallel of a fin with force line, press fit implantation and three fins acetabular component fixed with three screws demonstrated a lest micromotion equaling 83 to 96 um.

结果：1、在压力负荷实验，经10万次加载686N压力载荷，采集100次、1000次、1万次、10万次假体微动位移，工况为小骨缺损面积—假体植入后翼与载荷力线平行—紧压配合植入—螺钉固定的三翼臼最为稳定，微动位移为83-96um，疲劳位移为151um。

A integrated equation set for solving plane parallel motion of rigid body was derived, and the conditions of system of forces simplified on the center of mass plane was discussed.

给出了解决刚体平面平行运动问题的一组完整方程，讨论了力系简化在质心平面内的条件。

Figure 3.21 shows the forces parallel to the plane that are responsible for the equilibrium.

图3.21画出了平行于斜面的、相互保持平衡的几个力。

Shear stress arises from forces that are parallel to the plane of the cross section.

切应力由平行于截面的力引起。

Parts such as these are prone to twist on a magnet during cutting operations, especially when cutting forces are directed parallel to the face of the magnet (which occurs when milling about a part's periphery), versus down toward the magnet.

部件， 如这些很容易扭曲的磁铁切割行动期间，尤其是当切削力是针对平行面对磁铁（其中发生在铣削关于部分周边），与下跌对磁体。

Myopia: As axial length is too long, due to refractive eye refractive power of the system is too strong, resulting in 5 meters away from the formation of the parallel light rays focus before the retina.

近视眼：由于眼轴过长，由于眼球屈光系统的屈光力过强，以致5米以外的平行光线在视网膜之前形成焦点。

In due course, a parallel shift shall likewise occur upon Sirius, Arcturus, the Pleiades and in Orion allowing for the complete integration of what was left behind in their own incomplete ascension.

在适当的时候，一个平行转移也将类似地在天狼星、大角星、昴宿星团和猎户星上发生，允许将非完全提升中所拉下的业力进行完全整合。

The magnetic coercive forces of deposits in the directions of parallel and perpendicular to the surface of deposits are similar.

不同组成钯铁合金镀层的垂直与平行两个方向的磁矫顽力差别不大。

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。