differential unit差动单位,微分组件differentialadj.差别的；特定的；微分的n.差别；工资差额；差动齿轮；[数]微分differential four-channel gamma-ray spectrometer差动四通道伽马射线能谱仪differential interference contrast intermediate tube相差干扰中间管differential-pressure cross-correlation analysis差压相关分析differential nuclear magnetic resonance magnetometer差动式核磁共振磁强计differential potentiometric stripping anlysis method微分电位溶出differential reaction rate kinetic spectrophotometry速差动力学光度法Differential Interferometric Synthetic Aperture Radar合成孔径雷达差分干涉测量Differential potentiometric stripping analysis method微分电位溶出differential evolutionary particle swarm optimization微分进化微粒群算法DIFFERENTIAL SPECTROPHOTOMETRIC DETERMINATION OF PALLADIUM差示分光光度法测定钯

1. Based on this method, a difference scheme is derived for the numerical solution of diffusion equation on the structured quadrilateral mesh.
   在此基础上推导了在结构四边形网格上求解扩散方程的线性精确差分格式。
2. The pulsating flow field was simulated by the large eddy turbulence model and the momentum equations were discretized with the unbounded central difference scheme.
   脉动流场计算采用大涡模拟湍流模型，动量方程的离散格式采用有限中心差分格式。