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- beforehand geological forecast 超前地质预报
- In the field of tunnel fore geological forecast, when karst caves exist in front of work face, the time section of GPR usually has hyperbola character. 摘要采用GPR地质雷达进行隧道超前地质预报，当掌子面前方存在溶洞时，地质雷达时间剖面常出现双曲线特征图形。
- The application and several examples about ground penetrating radar to geological forecast for expressway tunnel construction are described. Some experience about the application of GPR to geological forecast is obtained. 摘要以某公路隧道为例，阐述了地质雷达应用于随道超前地质预报的实例，为地质雷达在隧道超前地质预报中的应用积累了经验。
- advanced geological forecast technology 超前地质预报
- He arrived at the meeting place beforehand. 他提前到达会面地点。
- I had made preparations beforehand. 我预先作了准备。
- Hydrologic and Geological Forecast of Tunnel Construction in the Karst District 对岩溶地区隧道施工水文地质超前预报的意见
- I am going to get everything ready beforehand. 我将事先把一切准备好。
- We were aware of the problem beforehand. 我们事先就知道有这个问题。
- It had been arranged beforehand. 那事已提前安排好了。
- Opinion polls forecast a Conservative landslide. 民意测验预示保守党有获得压倒性多数票的可能。
- Are you at all worried about the forecast? 对这项预报你不担点儿心吗?
- The sale department makes an accurate forecast of sale. 销售部门做了一项准确的销售预测。
- TSP advanced geological forecasting TSP超前地质预报
- I listened to the weather forecast. 我听了天气预报。
- They split when the hurricane was forecast. 气象预报有飓风要来，他们就离开迈阿密了。
- There's nothing like being beforehand. 最好的办法莫过於早作准备。
- Actually I meant to notify you beforehand. 实际上我是想事先通知你的。
- Advance geological forecast and its geophysical prospecting technique applied In the excavation of cavern 洞室开挖施工中地质超前预报的现状及其探测技术
- A dire economic forecast; dire threats. 紧急经济预报; 严重威胁
