Based on the two-dimension adlittoral non-invariablenes flow control equation of lakes,a hydrodynamic model of lakes was built up.

从二维浅水非恒定的控制方程出发,建立了个二维湖泊体动力学模型。

Applying franklinism analogue method to abtain the corresponding solution in a constant field with some known solutions in the electrostatic field.

应用静电比拟法，由静电场的某些已知解，得出恒定电场中的相应的解.

The characteristic of variation of resistance for Polysilicon microresistor with time was measured under constant power operation using Digital Constant Power System(DCPS).

利用数字式恒定测试系统（DCPS）对多晶硅微电阻进行恒定直负荷下电阻随时间变化特性的测量实验。

Odorization pumps are specially designed diaphragm plunger metering pump, plunger travel of the exercise machine lock, each time to maintain a constant output.

加臭泵是专门设计的隔式柱塞计量泵，柱塞的运动行程机械锁定，每次输出量保持恒定。

As a qualitative analysis,finite element method gets a more satisfactory result in describing the propagation of the long wave of open channel unconstant flow.

作定性分析，有限单元法对描述明渠非恒定长波的传播给出了满意的结果。

In this paper, a comprehensive survey for the state of art of a posteriori error estimates in finite element computation for magnetostatics since 1980s is presented.

80年代以来,国际上兴起对恒定磁场后验误差估计的研究,本文系统地介绍这方面的发展概况。

A disorder "of the heart" occurs whenever a person prefers a value of a lower rank to a higher rank, or a disvalue to a value.

因此，作生活-亲历之统的人格便是动态的存在，恒定的实现。

In calefactive phase, the electro thermal model of hot bridge wire was established, the calefactive time of invariable current fire case and capacitance discharge fire case were both studied.

在升温阶段建立桥丝电热升温模型，分别求解恒定电点火升温时间和电容放电点火升温时间。

Performation of surgical procedures anterior to ethmoid bulla can avoid risks of the other models, therefore, endoscopic frontal sinusotomy in the route anterior to ethmoid bulla is a safe model.

结论通过鼻内镜对额窦开口及周围解剖结构的观察，认星状裂作恒定的解剖标志是识别额窦开口的关键区域。筛泡前径路是鼻内镜下额窦开放的安全入路，能避免其他径路存在的某些风险。

An instrument in which a mirror is automatically moved so that it reflects sunlight in a constant direction.It is used with a pyrheliometer to make continuous measurements of solar radiation.

定日镜仪器，装有面会自动调控的镜子，以便不断朝某恒定方向反射日光。