对角元 diagonal element
对角矩阵 diagonal matrix
对角和规则 diagonal sum rule
平衡图 diagram of equilibrium
力系的图解 diagram of forces
速度图 diagram of velocities
直径系列 diameter series
蜗杆直径系数 diametral quotient
隔膜式计量泵; diaphragm meteringpump
隔膜活塞泵; diaphragm pistonpump
隔膜柱塞泵; diaphragm plungerpump
薄膜压力计 diaphragm pressure gage
对角矩阵 diagonal matrix
对角和规则 diagonal sum rule
平衡图 diagram of equilibrium
力系的图解 diagram of forces
速度图 diagram of velocities
直径系列 diameter series
蜗杆直径系数 diametral quotient
隔膜式计量泵; diaphragm meteringpump
隔膜活塞泵; diaphragm pistonpump
隔膜柱塞泵; diaphragm plungerpump
薄膜压力计 diaphragm pressure gage
隔膜阀 diaphragm valve
隔膜泵; diaphragmpump
透热性 diathermancy
透热的 diathermic
双原子气体 diatomic gas
锁模器 die locker
柴油机驱动泵; dieaelpump
电介质应变 dielectric strain
差分微分方程 difference differential equation
差分方程 difference equation
压力差 difference in pressure
差分法 difference method
差分商 difference quotient
差分格式法 difference schema method
微分逼近 differential approximation
微分约束 differential constraint
微分横截面 differential cross section
达朗贝尔 拉格朗日微分方程 differential equation of d'alembert lagrange
压差计 differential gage
差动轮系 differential gear train
差压计 differential manometer
微分算符 differential operator
差动活塞泵; differential pistonpump
差异后座作用式 Differential recoil
差动螺旋机构 differential screw mechanism
奇形的 difform
衍射角 diffraction angle
衍射曲线 diffraction curve
衍射损失 diffraction loss
衍射峰 diffraction maximum