When they are being manufactured in a weightless environment, those atoms line up absolutely perfectly. The vacuum of space also means that contaminants can't sneak in.
Read the full story at The Verge.，这一点在同城约会中也有详细论述
。51吃瓜对此有专业解读
All of these steps finish up with some load of a constant value that sets the zero flag to something consistent. That means I get to save a byte on the way out of all of these branches by using BEQ or BNE as appropriate instead of a JMP.
Spun/Seth Carnill。关于这个话题，同城约会提供了深入分析