查询词典 conservation

We believe that the law of conservation and conversion of energy will ultimately assist scientists in achieving the grand unified theory.

我们相信能量守恒和转换定律将最终帮助科学家实现微观和宏观物理理论的"大统一"。

In the seventh chapter, the infinite conservation law of the obtained equation hierarchy in chapter 4 by use of direct method.

在第七章中，利用直接方法导出了第四章中所得方程族的无穷多守恒律。

The conservation of angular momentum takes exactly the same form and has the same significance in both domains.

角动量守恒在两种领域中形式完全相同，并且有同样的重要性。

The conservation of energy and angular momentum of the model is tested.

通过引入β平面近似，半地转近似，引入适合的加热场的参数化方案，在气压梯度力的描写中引进静力扣除方案，建立了低纬度大气大尺度定常运动模式，证明了模式的能量和角动量守恒性质。

As it contracts, the principle of angular momentum conservation forces it to rotate faster .

当它收缩时，角动量守恒的原理强迫它转得更快（见右页〈气体盘的诞生〉）。

Starting from the conditions of law of conservation of energy and angular momentum,how to deal with simple disposal of several physical equations of the planetary motion by applying the elementary mathematical equations is proposed.

从角动量和能量守恒定律出发，建立行星椭圆运动的轨道方程，导出行星运动时的各个物理量表达式，从而给出了一种以初等数学为基础的处理行星运动的简洁方法。

Considering enough first integrals,such as conservation of energy and angular momentum,the system is integrable by Liouville's theorem.

利用能量积分，根据惠特克定理对系统的动力学方程进行降阶，并根据旋转数给出系统作周期或准周期运动的判别条件。

If a body is in the absence of any external torque, the angular momentum of the body is a constant. This is known as law of conservation of angular momentum.

如果物体所受的合外力矩等于零，或者不受外力矩的作用，物体的角动量保持不变，这个结论叫做角动量守恒定律。

Firstly, the development of the spherical robot is introduced and according to the knowledge of the research forepassed, the nonholonomy and the nonlinear controllability for a spherical robot based on the principle of angular momentum conservation are discussed with the differential geometric control theory.

首先介绍了球形机器人的发展状况，在了解前人研究领域的基础上，应用微分几何控制理论，对此角动量守恒的球形机器人的非完整性和非线性可控性进行了研究。

The law of conservation of angular momentum may be demonstrated with a gyroscope.

角动量守恒定律，可以用回转器来演示。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。