x = mmap(0, bytes, PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
The slightest bitThe answer is A tad.
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在鹊巷村，杜耀豪（后排右三）与外祖母弟弟林木通的遗孀（前排右三）及后代。（受访者供图）
An Mn3Sn homo-junction enables efficient field-free full switching of chiral antiferromagnets with greatly reduced power consumption, advancing their potential for energy-efficient magnetic memory devices with advantages of ultradense integration and ultrafast speed.