axis 四级六级GRE考研

the earth’s axis of rotation

地球旋转

the vertical axis is given on a logarithmic scale.

纵用对数尺标示。

The axis of a circle is its diameter.

圆线是其直径。

hypaxial Any structure morphologically ventral to the chordal axis;

前任何形态结构位于脊索腹部；

Fig 2 The parasternal long-axis plane.

图2 胸骨旁左室长切面。

a planet turning on its axis;

行星以为中心旋转；

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

地是南北极之间线。

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

断面形状为沿对称对折椭圆，此对称始终垂直于截面，其方向与平面图上流道中线无关。

analysis the for nonperpendicularity between the trunnion and vertical axis , and nonperpendicularity between the trunnion and gun bore axis is also given.

并且对炮耳和竖直不垂直度,炮膛线和炮耳不垂直度进行了分析;

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

对于不同结构细节几何形状，已经确定了短和长半径之间关系。

the Earth revolves on its axis once every 24 hours.

地球每24小时绕线转一周。

The earth rotates on its axis once every 24 hours.

地球每24小时依其心转一次。

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中。

A single main axis giving rise to lateral branches.

单 Monopodium (pl.Monopodia) 所有侧枝由单个主产生。

a root system with a main root axis and smaller branches, as in most dicots.

由主根和侧根组成根系，见于大多数双子叶植物。

A cymose inflorescence in which each axis produces two opposite or subopposite lateral axes.

二歧聚伞花序 Dichasium 每个花分为两条相对或近相对侧聚伞花序。

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

多头聚伞花序 Polychasium 每个具两个以上侧聚伞花序。