查询词典 coordinates

Using Euler formula of the comlex exponent problems of the rotation-axis in mechanics of materials in coplex plane are derived in complex coordinates to avoid complicated geometrical analysis.

采用复指数欧拉公式在复坐标系中对材料力学中坐标旋转的3个问题进行了推导，避免了复杂的几何分析。

When a solid regionin three-space is symmetric with respect to a point, the evaluation of triple integrals over is often facilitated by using spherical coordinates.

当空间立体区域关于某个点对称时，计算上的三重积分通常使用球坐标比较容易。

When a solid region in three-space has an axis of symmetry, the evaluation of triple integrals overis often facilitated by using cylindrical coordinates.

当空间立体区域有一个对称轴时，计算上的三重积分通常使用柱坐标比较容易。

Koronis studied the coordinates, quickly calculated how long it would take the expeditionary force to go there.

Koronis 检查了坐标，迅速计算出远征军到达那儿需要的时间。

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 Universities Space Research Association's Division of Space Life Sciences established in 1983 manages extramural research programs, administers educational programs, coordinates a visiting/staff scientist program, and enhances collaboration between NASA and academic institutions.

空间科学分部建立于1983年，致力于部外研究项目，教育管理，协调访问科学家和单位科学家的活动，以及促进NASA和学术机构间的合作。

An explicit mathematical representation of the exact boundary of a ball Bézier surface was given by recurring to the envelope theory of the family of bivariate surfaces in the classic differential geometry, as well as the spherical coordinates and the Cramer's rule.

根据经典微分几何中双参数曲面族的包络原理，运用球面参数坐标和Cramer法则，给出了球域Bézier曲面边界的精确数学显式表达式。

To provide methods for the study of laser rapid prototyping system based on polar coordinates, especially it apply to featheredge spheroid parts; The make-up of SLS rapid prototyping system based on polar coor.

本文基于激光变长线快速成型系统和激光点扫描快速成型系统的特征，激光选区烧结成型工艺因其适用于中小型零件，且选用材料广泛，对其研究具有现实意义；为基于极坐标系的激光快速成型系统的研究提供了素材，特别是对于薄壁回转体零件具有较强的针对性；详实地讨论了基于极坐标的激光选区烧结系统的组成。

Coordinates production scheduling, quality control, labor requirements, material requirements, and finished goods inventory.

协调排产，质量控制，劳动力需求，物料需求和成品库存。

After acquiring the ultraviolet absorption spectrum and its first order derivative spectrum distributions of Avermectin B1 by using UV-2401 PC spectrophotometer and spectrum-measuring system,we found that coordinates of the peak A252.2 and the valley A256.8 are not disturbed by the different forms of preparations.

用UV-2401 PC紫外分光光度计及光谱工作站，以1 nm狭缝宽度，2 nm Δλ间隔，在190～400 nm波长范围内快速扫描采集阿维菌素B1紫外吸收光谱，拟合一阶导数光谱发现峰顶A252.2，和峰谷A256.8在波长坐标上的位置不受不同制剂干扰。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。