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In this paper, a space model of antisubmarine homing torpedo's trajectory has been established based on the surface warship attacking underwater target, a formula which can be used to calculate the trajectory length of antisubmarine horning torpedo is also given.

在建立了水面舰艇发射反潜自导鱼雷攻击水下目标的空间弹道模型的基础上，提出了反潜自导鱼雷全弹道长度的一种计算公式。

A self-preservation law of surface apophysis is found and a universal empirical formula is established. Finally, the jet and bubbly jet in flowing ambient are studyed by model and numerical test.

对流动环境中射流、掺气射流亦进行了类似于静止环境中的研究，不同的是给出了流动的转变条件和流速比对流动结构的影响。

The formula can be used in approximate calculation of instable critical load of high pier in the design and construction.

本文利用能量原理的Ritz法，在对截面惯性矩变化作线性假定后，推导出变截面空心薄壁高墩失稳临界荷载近似计算公式，可用于设计施工中对高墩失稳临界荷载的近似计算。1中心压杆稳定理论及能量原理中心压杆的失稳问题是稳定问题中的一个最基本的问题。

This section presents two kinds of characteristic schemes, one is the natural use of the usual backward Euler characteristic difference scheme ( [60] ) onto the triangular mesh, the other replaces the backward Euler's method by modified Euler formula to approximate the characteristic differential equation, so that the discretization for characteristic curve can get up to second order accuracy.

本节给出了两种三角形网格上的特征差分格式，第一种是通常的向后Euler型特征差分格式（[60]）在三角形网格上的自然运用，第二种采用§3.3、§3.4的离散思想，使用改进的Euler公式代替向后Euler公式来近似特征微分方程，使其对特征线的离散达到了二阶精度。

An approximate formula of the signal-to-noise ratio is obtained based on the expression of the average error power.

在给出误差平均功率表达式的基础上，推导出信噪比的近似计算公式。

To give a load capacitance value,in fact,the two frequencies are equal.The approximate formula see above.

对某一个给定的负载电容值，实际上这两个频率是相等的，可近似表述为

An approximate formula based on single mode work condition of semiconductor laser is put forward.

从半导体激光器的单模工作条件出发，提出一个远场发散角的近似公式。

Through analyzing the mechanism of FFT, an approximate formula for image transformation is proposed at first.

本文主要围绕着局部支撑的基函数展开，建立了一系列视觉信息处理模型和快速算法。

By using experimental method, approximate formula of bulletproof velocity was found for high stength GFRP in this paper.

本文采用试验的方法，建立了高强玻璃纤维复合材料防弹性能近似公式。

The contribution of the light gain to engineering detection is discussed, then the approximate formula of the detection is given.

分析了象增强高速电影摄影的光增益与及其影响的主要因素，同时讨论了光增益对工程探测的贡献，给出了其近似的数学表达式。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。