The earth revolves both round the sun and on its own axis.

地球既公转又自转。

The wheel is revolving about its axis.

轮子在轴上转。

The axis of a circle is its diameter.

圆的轴线是其直径。

The earth rotates on its axis once every 24 hours.

地球每24小时依其轴心自转一次。

Mars takes longer to revolve on its axis than the earth.

火星自转一周的时间比地球长。

A cymose inflorescence with more than two branches from the main axis.

多歧聚序 Pleiochasium 从主轴分出两个以上分支的聚序。

A cymose inflorescence in which each axis produces more than two branches.

多头聚序 Polychasium 每个轴具两个以上侧轴的聚序。

The earth's axis is the line between the North and South Poles.

地轴是南北极之间的线。

A wheel revolves round its axis.

轮子是绕轴旋转的。

The tangent, binormal, and normal attributes represent the coordinate axes of the tangent space surrounding each vertex.

线，副法线和法线代表了每个顶点的线空间的三个轴。

To study the orectic mechanism of YunPi compound(BaobaoLe) to by regulating the activities of its gut-brain axis.

研究运脾复方宝宝乐通过调节''肠-脑''轴活摄食作用的机制。

They equipped themselves with a pair of sharp axes and set off for the forest.

他们带上两把利斧便朝森林走去。

Results Gnathion and gonion showed positive displacement on X and Y axes and negative displacement on Z axis.

颏顶点、下颌角点均表现为X、Y轴向的正位移,Z轴向的负位移。

Relationships between the minor axis semidiameter and major axis semidiameter have been empirically determined for different structural detail geometries.

对于不同结构细节的几何形，已经确定了短轴和长轴半径之间的关系。

It has been predicted that the Earth will tilt on its axis,causing catastrophic famine and disease.

有人曾预言地球会导致大荒灾和疾病。

Step 1: Center the secondary mirror on the axis of the focuser drawtube.

把副镜中央置于调焦伸缩管的中轴。

It is highly suggested axis radiograph of the knee with the tibiae tuberositas localization are helpful to early diagnosis.

采用的膝关节轴位“胫骨结节定位”投照法准确、易操作，有助于早期诊断。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形为沿对称轴对折的椭圆，此对称轴始终垂直于轴截面，其方向与平面图上的流道中线无关。

This bar of palm trees creates the primary axis of the site, an allee into the inner courtyard of the media square.

这片棕榈林是城区的轴线，一条引导人们入媒体广场内院的小径。

A technique for estimation of gyro installation error s in gimbaled INS was presented based on the oscillation around gyro input axis.

介绍了一种用于测量平台式惯性导航系统陀螺安装误差的陀螺轴扰技术.