Part 2 of this series will show you how to combine multiple sales feeds and aggregate the total units for each product ID using the combine, group, and transform operators.

本系列的第2部分将展示如何组合多个销售提要，并使用combine、group和transform操作符计算每种产品的总量。

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The test results show that this gateway runs stably with a high call completion rate, and will meet the mobile operators' need of providing 3g video value-added service well.

测试结果表明该网关运行稳定，接通率高，能较好的满足运营商提供3 G视频增值业务的需求。

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Led by Canada and Latin America, regional mobile operators' spending on backhaul services is expected to show moderate to strong growth to 2015.

在加拿大和拉丁美洲的带领下，区域的移动运营商回程服务的支出预计将出现适度增长强劲至2015年。

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New York authorities said last week they had reached a deal with 23 gun show operators in the state after an investigation revealed weapons were sold without proper background checks.

CNN: NRA sues over New York gun control

The deal is expected to close before mid-March, and the two will be taking meetings at MWC 2013 later this month to show mobile operators how much better they are together.

ENGADGET

When tour operators used this table to show their customers that not dangerous to travel to Japan, we knew we were going in the right direction.

FORBES: Japan Tourism Rides Out the Perfect Storm