The post office is tracing the missing package.

邮局正在追寻那个丢失的包裹。

youdao

Unless the missing package is an essential package like the kernel, you'll still end up with a usable Live CD.

除非缺少的包是关键包（如 kernel），否则，您均将得到一个可用的 Live CD。

youdao

Experimental data showed the improved pattern matching algorithm is better adapted to invasion detection on the network level, thus reducing systematical missing package rate.

实验结果表明，改进的模式匹配算法，更适合于网络级入侵检测的实现，减少了系统的丢包率。

youdao

Next best thing to those missing hugs and kisses though is the integrated "gradiometer" which comes as part of the package and shows at a glance how near students are to the next grade boundary - and will give guidance on whether to challenge the grades awarded.

BBC: There might soon be no need to go into school for results