现在您可以看到为什么简化abi之前的规则要求只使用寄存器3到寄存器12：其他寄存器都是非易失性的，需要堆栈空间来保存这些寄存器的值。
Now you can see why our earlier rules for the simplified ABI required that only registers 3 through 12 should be used: the others are non-volatile and require stack space to save them!
“如果无需隐瞒，那为什么他们对于披露使用的化学品的要求那么恐惧呢？” 美国落基山地区野生动植物联合会副会长史蒂文??
“If they’ve got nothing to hide, why is the industry so paranoid about disclosing their chemicals?” asks Steve Torbit, executive director of the National Wildlife Federation’s Rocky Mountain region.
这正是为什么运输规范要求在大多数有毒气体钢瓶上使用隔膜阀的原因。
This is why shipping regulations require diaphragm valves on most poisonous gas cylinders.
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