EGC system is an element of INMARSAT-C system and it includes safety net service and fleet net service.
增强性群呼是INMARSAT-C系统的组成部分之一，它包括安全网和船队网。
Lattice bin stone cage net method of maintenance and repair: stone cage net service life depends on the quality of the grid, the durability of the stone, the stability of the packing.
格宾石笼网的保养和维修方法：石笼网的使用寿命取决于网格的质量、石料的耐久性、填料的稳定性。
And also, many parents found that their children would attain some inappropriate information from the net service on the cellphone, it is not easy to supervise that.
此外，很多家长们发现他们的小孩通过手机的网络服务会获取一些少儿不宜的信息，这并不好进行监督。
And also, many parents found that their children would attain some inappropriate information from the net service on the cellphone, it is not easy to supervise that.
此外，很多家长们发现他们的小孩通过手机的网络服务会获取一些少儿不宜的信息，这并不好进行监督。
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