Later tetrodes and pentodes such as 817 and ( direct military ) 813 were also used in large numbers in ( especially heated ) radio transmitters
Later , tetrodes and pentodes such as 817 and 813 ( direct military ) were also used in large quantities in ( especially heated ) radio transmitters .

Are these two sentences paraphrases of each other?
yes

Mastax poecila is a kind of beetle in the Carabidae family that can be found in Cambodia , China and Singapore .
Mastax poecila is a type of beetle in the Carabidae family that can be found in Singapore , China and Cambodia .

Are these two sentences paraphrases of each other?
yes

Most of the municipalities are located on the islands in the Sulu Archipelago . Two of them , Mapun , and Turtle Islands lie within the Sulu Sea .
Most municipalities are located on the islands of the Sulu sea , two of them , Mapun and the Turtle Islands , located in the Sulu archipelago .

Are these two sentences paraphrases of each other?
no

WORHP , also referred to by ESA as eNLP ( European NLP Solver ) , is a non-linear software library for numerically solving continuous mathematical optimization problems .
WORHP , also referred to as eNLP ( European NLP solver ) by ESA , is a nonlinear software library for solving continuous large scale mathematical optimization problems numerically .

Are these two sentences paraphrases of each other?
yes