proportional plus derivative element

adrenomyelodystrophy armorclad black exchange market Cantharidae communiques cybereconomy flow controlling gate H.H.H. left lymphatic duct Leptorumohra Lφnsdal nitrososulfuric acid pidonia aenipennis aenipennis PSD (position-sensitive detector) radio wind-flight reciprocal lattic refrigeratories sailing-boat strength-weight ratio wide-angle shower