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- The ability to access satellite systems reduces ground station dependence and protects against jamming and direct tracking attempts. 能接入卫星系统的能力，减少了它对地面台站的依赖性，并可避免敌方干扰和直接跟踪。
- It is proved that the locating and depth measuring problem of the directional track system of HDD is raveled out preferably, and is signified in supplying the gap in the locating and depth measuring instrument in the country. 结果显示，较好地解决了水平定向钻进过程中钻头定位与深度测量等关键性技术问题，对于填补国内在高性能的定位与导向仪器方面的空白具有较重要的意义。
- The locating and depth measuring technology of the directional track system of Horizontal Directional Drilling (HDD) is developed based on imbursement of "863 plan" sustentation fund. 本文在“863计划”项目基金资助下就水平定向钻进跟踪导向系统中的定位测深关键技术进行研究。 主要内容包括：
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- He has chosen the most direct route. 他选取了最直的路线。
- She's very direct, believes in speaking her mind. 她为人直率，喜欢有什么说什么。
- Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
- Be there a direct train for Beijing to Nanning? 从北京到南宁有直达车吗？
- See that direct heat does not play on it. 当心别让它直接受热。
- It's a long way by road the train is more direct. 走公路很远--乘火车近。
- Would you please direct me to the zoo? 请问去动物园怎么走?
- My eyes were blinded by the direct rays of light. 在光线的直射下，我看不清楚东西。
- Her opinions are the direct opposite of mine. 她的意见与我的截然相反。
- She is in direct contact with the general manager. 她与总经理直接联系。
- Wind Direction Track Manipulative System of the Wind Power Dynamo 风力发电机风向跟踪控制系统设计
- I'm in direct contact with the hijackers. 机者保持著直接的联系。
- The army is under the king's direct command. 军队由国王直接统率。
- Give me a direct answer, and stop evade the issue. 给我一个直截了当的回答，不要回避这一问题。
- He took a direct flight to New York. 他搭乘直航班机到纽约。
