计算公式

Zu Chongzhi and his son, Zu Geng, also put forward the formula for computation of the volume of a sphere.

祖冲之和他的儿子，祖耿，还提出了对球的体积计算公式。

ABSTRACT: This paper provides formula of critical production computation of oil wells in reservoir with bottom water and confing bed, which is suitable for all wells in reservoirs with bottom water and confing bed.

本文给出了带隔板底水油藏油井的临界产量计算公式，它适用于所有带隔板底水油藏的油井。

Based on the Hoek-Brown nonlinear strength criterion and simple Bishop's method, a new computation formula of stability safety factor for the broken jointed rock slope is presented.

基于Hoek-Brown非线性经验强度准则和简化Bishop法，导出了节理破碎岩体边坡新的稳定性系数计算公式。

Based on the theory of fracture mechanics and the principle of structural reliability analysis,a computation formula of the fatigue failure of suspension cable system in a suspension bridge caused by alternate stress is deduced,thus an evaluation method on the safety life of suspension cable system which has been subjected to eroding is suggested,according to which,highway administration departments can arrange the opportunity of detection,maintenance and strengthening of bridges,as well as the investment.

根据断裂力学理论和结构系统可靠性分析原理，推导出交变应力引起的悬索桥吊索系统疲劳失效的计算公式，从而提出的一种考虑构件腐蚀后吊索系统安全寿命的评估方法，可以为公路管理部门合理安排桥梁的检测、维修、加固的时机和投资提供依据。

In the Culmann analysis method, the assumption that the soil failure is in the mode of sliding along a plane is adopted; however only one force equilibrium equation along some special direction is utilized to derive the computation formula of earth pressure.

在Culmann分析方法中，沿用了Coulomb土压力理论关于平面滑动破坏的假定，而在推导土压力计算公式的过程中，仅利用了滑动体沿某一特定方向的一个力的平衡方程。

It's a formula for failure.

它的计算公式为失败。

At last the formulae and curves of four means has been presented.

最后给出了4种非破损检测方法的计算公式及强度曲线。

At present, in natural gas transmission line running and management, one-dimensional hydraulic calcuation formulae are adopted.

目前在天然气长输管道的运营和管理中采用的水力计算公式都是一维的。

To the enterprise according to IT the influence of competitive advantage gives out the value computation that IT invests is formulary.

根据信息技术对企业竞争优势的影响给出信息技术投资的价值计算公式。

By taking the strategy of uniting geometry with algebra and using the method of minimal value, the distance problems between a line and a line in four dimensional space are investigated and the caculation formula are given.

用形数结合的观点和极小值法，研究了四维空间中两直线间的距离问题，并给出了相应的计算公式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。