Choose the best option to complete the sentence.
Aircraft flying in _______ arcs create microgravity for tests and simulations that last 20 - 25seconds.
circularparabolicstraight ovalMôn học
Chủ đề / Chương
Bài học
Chủ đề
Choose the best option to complete the sentence.
Aircraft flying in _______ arcs create microgravity for tests and simulations that last 20 - 25seconds.
circularparabolicstraight oval