斜杆    diagonal?

平衡图    diagram of equilibrium?

力系的图解    diagram of forces?

状态图    diagram of state?

应力图    diagram of stresses?

速度图    diagram of velocities?

渗析    dialysis?

直径    diameter?

薄膜压力计    diaphragm pressure gage?

隔膜泵    diaphragm pump?

隔膜阀    diaphragm valve?

振动膜    diaphragm?

透热性    diathermancy?

透热的    diathermic?

双原子气体    diatomic gas?

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?

落差    difference of level?

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?

差压计    differential manometer?

微分算符    differential operator?

压差计    differential pressure gage?

压差    differential pressure?

奇形的    difform?

衍射波    diffracted wave?

衍射角    diffraction angle?

衍射曲线    diffraction curve?

衍射条纹    diffraction fringe?

衍射损失    diffraction loss?

衍射峰    diffraction maximum?

水波衍射    diffraction of water wave?

衍射振荡    diffraction oscillation?

衍射峰    diffraction peak?