查询词典 approximate formula

The validity of the analysis by transmission line theory and the approximate formula is confirmed by comparison with some experimental results.

进而在传输线理论分析PIFA输入特性的基础上，为工程设计导出了谐振频率的近似公式。

Using the Hamilton-Jacobi formula, an approximate solution of field equation that is beyond the slow-roll condition is obtained.

利用场方程的Hamilton-Jacobi形式，得到了场方程的一个近似解，这个解突破了通常的慢滚近似。

Then, an approximate formula for the buckling loads is established, which is simple and efficient by means of comparison with the results computed by finite difference.

与有限差分法得到的结果比较，本文推荐公式得到的结果是简便的，精确的。

We analyze the effect of approximate velocity in the formula of the rotation of the gravity potential, which is caused by the Earth rotation.

分析了地球自转引起的位旋转效应公式中采用近似速度的影响。

A simple approximate estimation experiential formula of the mixture of the flammable liquids is then put forward.

对多元混合可燃液体闪点的变化规律进行了研究，提出了一个简便的闪点估算经验式。

For a system with time delay, a approximate formula for calculating the residual servo variance is derived.

对于存在时间延迟的自适应光学系统，推导了计算大气湍流控制残余方差的近似公式，并给出了有探测噪声情况下确定系统最优控制带宽的公式。

The approximate formula of the damper deployment time was deduced by time correction factors.

用时间修正系数的概念推导了阻力器展开时刻的近似计算公式。

Simple approximate estimation experiential formula of the mixture of the flammable liquids is then put forward.

bstract 对多元混合可燃液体闪点的变化规律进行了研究，提出了一个简便的闪点估算经验式。

With the help of optimization and computer the approximate formula under the condition of finite rotation is still further optimized so as to raise its accuracy and to make calculation simple.

从而得到了计算较简单，同时在较大的角度范围内具有较高精度的实用稳像公式。

It is an improvement of previous approximate solution, and the formula in this article can be used in numerical calculation and simulation of atmospheric electric parameters in the future.

该文的工作是对以前相关工作仅能得到近似解的一种改进，同时本文所得公式可用于今后对大气电参量进行相关的数值计算及模拟之中。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。