If a port name is used , then the port entry in the services file must be present on the client as well as the server 如果使用了一个端口名，那么services文件中的端口条目必须存在于客户机和服务器上。
2.
It also has been validated by the test result . on the basis of reduced stress attenuation formula , the paper elicit theoretical calculation expressions of jam lengths in hole blasting and space between charges in linear charge blasting . linear charge blasting at the net of highway to zhuhai aerodrome and the hole blasting at underground stope in gaofen mining company have been design by the expressions 根据建立的条形药包爆破径向应力衰减方程，得出了浅孔爆破堵塞长度和条形硐室药包爆破药室间距理论计算公式；按推导的计算式设计了珠海西区机场路垭口条形药包爆破和高峰矿业有限责任公司地下采场浅孔爆破。
