Some of the safe mobile codes may be rejected to execute, since there is no way to verify statically that the symbol range value of an array subscript expression in PCC.

PCC的数组边界检查存在着由于无法确定数组下标表达式符号值的范围，而造成拒绝执行一些安全的移动代码等问题。

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According to a new study, 62% of Fortune 50 companies have mobile websites, mobile apps, mobile payments and QR codes, but they don't proudly display them.

根据Burson - Marsteller传播公司的一项最新研究，62%的财富50强公司已经有移动网站、移动应用、移动支付和QR Code。

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Comscore (scor) released its first study on the codes this summer, revealing that 14 million people, or 6.2% of mobile users, scanned QR codes in the month of June.

市场研究机构Comscore公司今夏发布了其针对二维码的首份研究报告。报告显示，有1,400万人，也就是6.2%的手机用户，在今年6月份扫描过二维码。

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Mobile commerce, comparative shopping on your phone, mobile bar codes and more all existed and in many cases worked quite well.

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They've put advertising on their vending machines and even on the tiny earplug plastic case, along with marketing schemes using mobile phone codes to direct consumers to web sites to view more products.

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Customers are connecting through brick-and-mortar stores, social media, e-commerce, blogs, Twitter, mobile apps, mobile bar-codes and even geo-location services that offer personalization and immediacy.

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