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- Gives a calculation formula of the absolute error of specific frictional head losses. 给出了湍流区沿程阻力系数绝对误差的计算式。
- Based on the morphological characteristics of riverbed of tidal estuaries, a calculation formula for the widening rate of the estuarine regulation line is derived. 摘要根据潮汐河口河床形态关系,推导了河口治导线放宽率的计算式。
- Based on the coupling relationship among effective thrust, rotation speed, penetration rate and drillability index, a calculation formula is established. 基于钻进过程中有效轴压、转速、穿孔速率和可钻性指标间的耦合关系,建立了可钻性指标的计算公式。
- This paper also presented a calculation formula for computing the upper limit of total sum that the singular positions may probably be engenderd in arbitrary complicted multiloop planar mechanism. 还给出了任意复杂多环路平面机构可能产生奇异位置总数的上限计算公式。最后举例说明了一个双环复杂机构的奇异位置求解过程。
- In this paper, a calculation formula of a spiral antenna with input impedance is deduced, then the geometrical size of a spiral antenna is optimized based on the related technical standard. 然后,在使天线输入阻抗满足技术要求的条件下,对螺旋天线的几何尺寸进行了优化设计。
- According to the characteristics of double wall corrugated filter well pipe and its failure,a calculation formula of its critical confining pressure was induced by using elastic stability theory. 针对双壁波纹塑料滤水管的结构及破坏特点,应用弹性稳定理论,推导了该种管材的临界围压力计算公式,并分析其影响因素,确定了实际耐围压能力。
- A calculating formula of the relationship between beam gap and parison wall thickness is presented. 重新推导出该间隔与型坯壁厚之间的计算公式。
- The amount and the depth of carburizing on the casting surface can be obtained approximately by a calculating formula. 给出了铸件表面增碳大小及增碳层深度的近似计算公式。
- Based on energy method,a calculating formula of roll force to longitudinally ribbed strips wasderived. 利用能量法可以推导出纵凸筋钢板轧制力的计算式,并对纵凸筋钢板轧制力进行了计算。
- By the solution of the model,a calculating formula of the local dihedral angel of intersecting line and a parametric equation of contacting li. 通过对此数学模型的求解,导出了相交双管相贯线上各点局部二面角的计算公式,给出了相交双管装配接触线的参数方程,并解释了其数学本质。
- According to the simulation accuracy, the probability and statistics theories are used to develop a calculation formula to calculate simulation times of reliability by Monte-Carlo simulation method. 摘要从模拟精度入手,利用概率论和数理统计的方法,建立了以蒙特卡罗仿真法计算可靠度模拟次数的计算式。
- A calculating formula of compressive strength of HPCM with temperature change was put forward by regression analysis, and the calculating results have favorable accuracy. 通过对试验数据的回归分析,提出了高温后HPCM抗压强度的计算公式,其计算值与试验值较吻合。
- Cross-check your answer by using a calculator. 用计算器核对一下你的答案。
- I totaled my expenses with a calculator. 我用计算器算出开支的总金额。
- This paper deduced a calculating formula for the rnakimum pro-duction capacity of intermittent filter. It could select filterand determine the operating conditions accurately and rationally. 推导出间歇过滤机最大生产能力的计算公式,可准确合理地选择过滤机和确定操作条件。
- The calculation formula of DSIF was proposed. 在此基础上,构建了用于计算动态应力强度因子的近似表达式。
- To verify(the result of a calculation. 验算证实(一个计算结果)
- To verify(the result of a calculation). 验算证实(一个计算结果)
- Does anyone have a calculator here? 这里有没有人有计算机?
- You do not need a calculator to do simple addition. 你不必使用计算器去做简单的加法。