正角 meaning in English

[数学] positive angle

Do you prefer to play a bad or good character
你喜欢演正角或是反角？
Plastics - film and sheeting - determination of tear resistance - part 3 : right angled tear method
塑料制品.薄膜及薄板.撕裂抗性的测定.第3部分:正角撕裂法
You had to come back - that haunting sense kind of drew you - to show the understudy in the title r ? le how to
请你务必回来萦绕心头的思乡之情在吸引着你并让那些临时替角看看正角的演技吧。