Theoretically speaking, it is a rather-clearly discussed subject to standardize the quadratic equation into the normal forms by spinning the coordinate axis so as to approach the shapes of its curves.

从理论上讲，通过坐标轴旋转将二次方程化简为规范形式，从而讨论其曲线的形状，这已是讨论得相当明了的课题。

It is proved that the Coordinate DDSs technology realizing the parameters requirements of the subject, and that the technology is feasible.

通过实验证明，并行dds频率源技术达到了课题要求的指标，说明了这种频率合成方法是可行的。

In the numerical control processing, work coordinate system after the confirmation, but make sure the tip of point in work coordinate system, that is the position usually said sword to subject.

在大型车床加工中，工件坐标系确定后，还要确定刀尖点在工件坐标系中的位置，即通常所说的对刀题目。

The author has also offered some mathematical models for making transformation among various geodetic coordinate systems. They have use value for navigator and technologist of the related subject.

本文提供的各种大地坐标转换的数学模型，对于航海人员和相关学科的科技人员具有实际应用价值。

The Managers should notify all their respective teams of the subject matter, and the Construction Manager and HSE Manager should coordinate all related works during PSCC meeting.

上述人员应该把该试验工作内容通知他们下属负责人及相应的工作单位，建造经理和安全主管应该在PSCC会议上通知该项试验工作及协调相关联的其它工作。

Abstract: Even though network routines are considered to be the core elements to maintain and coordinate the technological innovation network, currently, there are few studies on this subject.

摘要学者们指出网络惯例是维持并协调技术创新网络运行的关键因素，但是网络惯例形成方面的研究相对缺乏。

The second thing I would add to that, and I didn't coordinate on the subject of this word but I think it's the right word that comes up, is passion.

第二件我想说的事就是，我并没有规划用这个字眼。 但我想这个字眼很合适，那就是“热情”二字。

Therefore, how to coordinate the relationship between environment and free trade has become one important subject and an urgent task the international community facing with.

因此，如何既促进国际贸易又保护生态环境，便成为国际社会面临的一项迫切任务。