virtual system的用法和樣例：
例句
- If the universe were a virtual reality, its creation at the big bang would no longer be paradoxical, as every virtual system must be booted up.
如果世界是虛擬的，它的出現在大爆炸理論中就不會自相矛盾，因為每個虛擬系統都會被輸入。 - The 4th Runge-Kutta method is adopted to solve the time history of the ship motions in waves to supply the necessary motion data to the simulation system.
三是在此虛擬系統中，除了船舶運動的逼真性外，並呈現範圍內的三維波浪模擬真實性。
