You can place a print statement within the loop to verify that data indeed exists at each element in the foreach loop.
可以在循环中放一个print语句，检验在foreach循环中每个元素中是否确实存在数据。
To verify the print queues and the appropriate devices were added, take a look at /etc/qconfig, shown in Listing 4.
要确认打印队列和适当的设备已被添加，需要查看 /etc/qconfig，如 清单4 所示。
Draft and print the first directors meeting record, verify registration capital, equity, shares and the investment proportion of shareholders.
起草打印首次董事会议记录，核实注册资本、股本、股数及股份比例；
We always suggest the client goes carrying out referenced framework, design a part with the key of blue print of structural frame of test and verify.
我们总是建议客户去实施参考架构，以验证构架蓝图的关键设计部分。
After calibration it should be online ready to print. Print a test page to verify operation.
重新校准后，应该可以打印，打印一个测试页以检查效果。
After calibration it should be online ready to print. Print a test page to verify operation.
重新校准后，应该可以打印，打印一个测试页以检查效果。
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