Mount Darwin ( alternative : Darwin ) is one of seven districts in the province of Mashonaland Central in Zimbabwe .
Mount Darwin ( alternatively : Darwin ) is one of seven districts in the province of Mashonaland Central in Zimbabwe .

Are these two sentences paraphrases of each other?
no

In 1992 , the 14th Air Defence Department and the 10th Air Defence Corps were disbanded .
In 1992 the 10th Air Defence Division and the 14th Air Defence Corps were disbanded .

Are these two sentences paraphrases of each other?
no

Regiment Highveld was formed in Nelspruit on the 1 January , 1960 , it also stationed a rear HQ in the town of Middelburg .
On 1 January 1960 , the Highveld regiment was founded in Middelburg , which also stationed a Rear HQ in the town of Nelspruit .

Are these two sentences paraphrases of each other?
no

A mechanical control valve actuator converts energy ( typically in the form of compressed air ) into pneumatic motion .
A mechanical control valve drive converts energy ( typically in the form of compressed air ) into a pneumatic motion .

Are these two sentences paraphrases of each other?
yes