（一）境外单位或者个人向境内单位或者个人销售服务、无形资产，在境外现场消费的服务除外；
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。业内人士推荐谷歌浏览器【最新下载地址】作为进阶阅读
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Second, and more cleverly: he implemented a hash verification check on nozzle.js. The exact implementation could have been Subresource Integrity (SRI), a custom self-hashing routine, or a server-side nonce system, but the effect was the same. When the browser (or the application itself) loaded the script, it compared the modified file against a canonical hash and if it did not pass the check, the player would never initialise.