1-order ordinary differential matrix equation for the state vector
high water ordinary neap tide
小潮平均高潮一般小潮高潮
一般小潮高潮
一般小潮高潮小潮平均高潮一般小潮高潮
high water at ordinary spring tides
freight train ordinary inspection and service poin
fractional ordinary differential equations
fourth-order ordinary differential equation
first ordinary differential equations
first order ordinary differential equation
extraordinary performance