从日常使用的角度考虑，第一档防窥强度基本上就完全足够了，几乎不影响屏幕显示素质。
deflate.push(new Uint8Array(0), true);
。WPS下载最新地址是该领域的重要参考
Unreferencing should put the object back onto its free list
第九条 境内单位或者个人跨境销售下列服务、无形资产，税率为零：
The critical thing to understand is namespaces are visibility walls, not security boundaries. They prevent a process from seeing things outside its namespace. They do not prevent a process from exploiting the kernel that implements the namespace. The process still makes syscalls to the same host kernel. If there is a bug in the kernel’s handling of any syscall, the namespace boundary does not help.