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- When the exterior normal is opposite to the coordinate axis, then the positive stress components are in the opposite directions of the coordinates. 当外向法线和坐标轴相反时,正的胁强分量就是沿着和坐标轴相反的方向的。
- The nine elements of the matrix are products of cosines of angles between the direction of a streamline at a point and the coordinate axis. 这矩阵的9个元素系一点的流线方向和座标轴之间夹角余弦的乘积。
- The distance from the origin to the point at which a line, curve, or surface intersects a coordinate axis. 截距从原点到一条直线、曲线或平面上的点的距离,与坐标轴相交
- The dendrite grows preferentially when the crystal orientation is consistent with the coordinate axis. 晶体取向与坐标轴方向一致时枝晶优先生长;
- A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis. 抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面
- Changing the form of coordinate axis could observably improve the quality of fingerprint, such as logarithmic coordinate axis or axis break. 适当地调整图谱的坐标形式,如采用对数坐标形式或采用两段不同的单位坐标值形式等,可显著改善指纹图谱的质量。
- Life can be made simpler by a wise choice of coordinate axes. 坐标轴选取得好就可以使问题简化。
- Two perpendicular lines are chosen as the x and y coordinate axes. 选两条垂线作为x和y坐标轴。
- As we let z axis of cartesian coordinates be the inhomogeneous dimension of the media,in arbitrary angle of incidence,the amplitudes E tx and E ty are independent of coordinate axes,the amplitude E tz is dependent of z axis. 当选z坐标轴沿介质连续变化的方向时 ,在一般入射角度下 ,介质内透射电磁波电场振幅的Etx和Ety与z坐标无关 ,仅Etz与z坐标有关 ;
- Abstract: This paper covers the set-up of the space coordinate axis of the ring-fork U-joint,and through the analysis of the additional moment in the ring-fork U-joint it presents how the value of the additional moment is obtained. 文摘:本文用空间解析几何法建立了环叉式万向节的空间坐标系,并对环叉式万向节的附加力矩进行分析,得出了附加力矩的数学表达式。
- There are obvious linear relationship between individual weight and adult density, between adult density and amount of lac secreted by per Kerria lacca on double logarithmic coordinate axis. 紫胶蚧成虫密度与虫体重、个体泌胶量在双对数图上直线关系明显。
- This essay discusses the design of the multiple usage NC rotary table, through the index transmission、 swing angle transmission、 coordinate axis clamp、 mechanism of work setup and unload, and so on. 从分度传动、摆角传动、坐标轴夹紧、工作装卸机构等方面,设计研究多用途数控转台,将设计研究结果,作为数控机床附件,满足五轴联动加工需求。
- The heavy ax was awkward to use. 这把重斧头不好用。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- The firemen splintered the door with an ax. 消防队员们用斧头将门砸开。
- Citizens are coordinates in a court of law. 公民在法庭上是平等的。
- Does the earth rotate on an axis? 地球是绕轴旋转的吗?
- A wheel revolves round/on its axis. 轮子是绕轴旋转的。
- The man cleft a block of wood in two with an ax. 那人用斧头把一块木头劈成两半。
- The point of intersection of coordinate axes, as in the Cartesian coordinate system. 原点坐标轴的交点,比如在笛卡尔坐标中