偏へん微分びぶん方程ほうてい式しき

hembibunhōteishiki

1. Not a partial differential equation.

1. Was a partial differential equation.

1. in/with partial differential equations.

1. Partial differential equation; Partial differential

1. It is not a partial differential equation.

1. It is not a partial differential equation.

1. Was a partial differential equation.

1. Partial differential equation.

1. It is not a partial differential equation.

1. Was not a partial differential equation.

1. Probably a partial differential equation.

1. Was not a partial differential equation.; It wasn't a partial differential equation.

1. Was not a partial differential equation.

1. Probably a partial differential equation.

1. Was not a partial differential equation.

1. if it were a partial differential equation; when it is a partial differential equation

1. If it is a partial differential equation.; When it is a partial differential equation.

1. If/when differential equations