在已知空间物体表面区域方程的前提下，利用黎曼和可以方便地求出被测物体的体积。
It is very convenient to calculate the object volume to use Riemann sum after obtained the object surface region equation.
幸好，正确的切割速度可以根据刀具寿命表或者刀具寿命泰勒方程估算出来，并有一定的合理精度，如果在必要的数据都具备的前提下。
Fortunately, the correct cutting speed can be estimated with reasonable accuracy from tool-life graphs or from the Taylor tool life Relationship, provided that necessary data are obtainable.
摘要在托马假定前提下，从调压室基本方程入手，推导复杂尾水系统的尾水调压室稳定断面计算公式，并通过工程实例进行验证。
Based on thoma supposition and basic equations of surge tank, a few formulas were proposed for the stable sectional area of tailrace surge tank on complicated tailrace system.
这句话的意思是，在稳定流动的前提下，包含表皮因子的线性流方程的无因次形式。
The following is the equation for linear flow with skin, at constant rate, in dimensionless form.
资产方程中漂移系数和扩散系数的估计是建立方程的前提。
The prerequisites of construction of the assets equation is the estimation of the drift coefficient b(·).
在保证计算精度和稳定性的前提下，利用有限差分法对基本方程进行了离散化，得到了数学模型的差分格式。
The finite difference forms of govern equations are derived which meet the demands of accuracy and calculation stability.
在那篇论文的研究中，经典的定则无法适用，但在已知五颗行星的前提下，研究人员找到了适用于这个系统的指数方程，与前方程类似。
In that study, the classical rule could not fit, but, from the five planets known at the time, the researchers were able to fit a similar exponential function to the system.
利用土壤水分迁移方程和热传导方程，采用中心差分格式并在一定假设前提下建立起冻土水热耦合迁移数学模型。
Based on the basic equations of simultaneous soil water and heat transfer during soil freezing, the coupled equation of moisture and heat is deduced.
利用土壤水分迁移方程和热传导方程，采用中心差分格式并在一定假设前提下建立起冻土水热耦合迁移数学模型。
Based on the basic equations of simultaneous soil water and heat transfer during soil freezing, the coupled equation of moisture and heat is deduced.
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