WHAT IS THE RELATION BETWEEN SLR , LLR,CRR?

~~A single-lens reflex camera (SLR) typically uses a mirror and prism system (hence "reflex", from the mirror's reflection) that permits the photographer to view through the lens and see exactly what will be captured,

~~The Mortier de 81mm léger long renforcé (LLR 81 mm) is a mortar used by the French Army. It is the latest iteration of the TDA 81 mm light mortar family, introduced in 1997.

~~SLR: Statutory Liquidity Ratio. It is a part of deposits that Commercial Banks are supposed to maintain with THEMSELVES IN LIQUID FORM.
 Liquid form means:
 Cash, Gold or Government Bonds.
 This is done, to ensure sufficient Liquidity with Commercial Banks.