см. тж. в то же время
• This led to the decision to interconnect large numbers of processors which can work concurrently .
• It is necessary to use two or three filters at a time .
• Beads of 1/2 in. diameter are formed ten at a time .
• This setup can produce three different parts at once .
• The machine processes two units simultaneously .
• An atomic gas laser about 0.15 m in length can only have a single mode oscillating at one time .
• F ( x ) and G ( x ) are never both zero together .