The data he compiled yielded a mathematical formula for the relationship between a room's echo duration, its quantity and quality of sound-absorbing materials, and its spatial volume.
他收集的数据得出了一个关于房间回声持续时间、吸音材料的数量和质量以及空间体积之间关系的数学公式。
The rainfall Intensity Duration Frequency formula is one of the bases in hydrology calculation, and has been of considerable interest to engineers and hydrologists.
降雨公式是水文计算的基本依据之一，也是工程师和水文学家十分关心的问题。
The duration magnitude formula is fitted for Mu Chengjian colliery.
拟合了适用于木城涧矿区的持续时间震级公式。
Taking vertical dome tank as an example, the calculation formula for insulation thickness of oil tank are given based on controlled temperature drop and duration.
以立式拱顶储罐为例，根据限定的温降值和限定的温降时间，建立了确定储油容器保温层厚度的计算公式。
The authors suggest to control the sharpness and duration of the saw blade by alternating the metal bond matrix formula as well as the grit size and strength of the diamond.
提出通过改变配方中的金属粉比例及金刚石的粒度、强度来调节刀头的锋利性和耐用度。
The value which was calculated using this approximation formula of pulse duration was close to that of solving the rate equations by computer.
使用脉宽表示式计算的结果与计算机数值计算相符。
The value which was calculated using this approximation formula of pulse duration was close to that of solving the rate equations by computer.
使用脉宽表示式计算的结果与计算机数值计算相符。
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