1.The dog of medium quality can be bred for watching the door. It can bark for pre-alarm to remind us of prevention.
而中等品质的狗，则可以遣用来看门，因为牠能发出吠叫声，提醒我们早作防备。
2.Therefore, an effective technologic scheme was offered to monitor, navigate and pre-alarm the ships in inland rivers.
该远程通信终端为内河船舶的监控、导航和预警提供了一种有效的技术方案。
3.When the pre-alarm state, please stop hot work industry, check the relevant class of combustible gas leakage, and to exclude.
当出现预报警状态时，请停止热工作业，检查相关舱位的可燃气体泄漏情况，并排除之。
4.Pre-alarm: horn gives one chip and into security status after 3 seconds .
预报警：喇叭叫一声，3秒后自动进入防盗状态。
5.Establishment of Production Supervision and Pre-alarm System in Railway Marshalling Stations
铁路编组站生产监测预警系统的建立
6.Pre-alarm Technique of Safety Inspection about Retaining and Protection of Deep Foundation Excavations
深基坑支护施工安全监测预警技术
7.Practice on Introducing Safety Pre-alarm and Prevention System for Freight Train on Datong-Qinhuangdao Line
大秦线货物列车引入安全预警防范系统的实践
8.Application of Pre-alarm Safety Management Technique in Construction
安全预警管理技术在建筑施工中的应用
9.Research on pre-alarm system for suddenly occurred pollution accident in TGP reservoir area
三峡库区突发污染事故预警预报系统研究
10.Test of cable stolen and cut pre - alarm collected in concentration
电缆盗割预警纳入集中机之尝试