rectangular membrane meaning in Hindi

Examples

1. The Woronin bodies are spherical, hexagonal, or rectangular membrane bound structures with a crystalline protein matrix.
2. The Helmholtz equation was solved for many basic shapes in the 19th century : the rectangular membrane by Sim�on Denis Poisson in 1829, the equilateral triangle by Gabriel Lam?in 1852, and the circular membrane by Alfred Clebsch in 1862.