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- Direct system catalog updates are not allowed in SQL Server 2005. 在SQL Server 2005中,不允许直接更新系统目录。
- highly directional system 强方向性系统
- Counters can, of course, be made highly directional by the use of external collimation. 当然可以利用外部准直法来提高计数器的方向性。
- Counters can, of course, be made highly directional by the use of external collimation . 当然可以利用外部准直法来提高计数器的方向性。
- OAB floor and pedestal take auto-guide directional system,fix with innerscrew,open with screwdriver,suffer power with equal,not easy to be slided. OAB地板与支架自动导向定位系统,采用内六角螺丝固定,开启时采用内六角扳手,六角受力均匀,不易滑牙。
- Compared with the emission near a non-continuous metallic surface, the emission near a continuous metallic surface is highly directional. 与粗糙金属表面增强荧光不同,超薄光滑金属表面增强荧光具有突出的方向性。
- The magnetic directional system of logging tools used in the boreholetricomponent magnetic survey in CCSD main hole, is different from the directionalsystems that have been used. 在中国大陆科学钻探主孔进行井中三分量磁测所采用的是仪器自身的定向系统,该系统不同于一般的垂向和轴向定向系统。
- Point-to-point communications requires high gain and high directivity antennas. 在点对点无线通讯的系统中,其天线通常要求高增益和高指向性的天线效能。
- The resulting photons travel together in the same direction in synchrony, forming a highly directional light beam. 产生的光子会同步朝同一方向行进,形成指向性极高的光束。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- Audio directional loudspeaker is a novel loudspeaker which can generate an audio signal with high directivity by utilizing the parametric array principle. 摘要声频定向扬声器是利用参量阵原理,产生高指向性声频信号的新一代扬声器。
- Finally, we construct 3D highly directive antenna based on the hyperbolic medium. 最后,在基于双曲线介质来构造3D高指向天线。
- According to the analysis of water quality of more than 100 wells,the formation water of the Carboniferous in east Sichuan possesses high density and high direct metamorphic degree. 据100多口井水质分析,川东地区石炭系地层水具有浓度高、正变质程度深的特点。绝大部分地区地层水以氯化钙水型为主,局部存在重碳酸钠和硫酸钠水型。
- Digitized multi-baseline interferometer had the merits of finding direction passively and high direction accuracy. 数字式多基线相位干涉仪具有能被动测向、且测向精度高的优点。
- According to plan, Hangzhou walking direction system has 5 layers: whole city and radii of 500m, 300m, 100m and 50m. the content in fingerposts at each place varies according to area and its layer. 杭州的步行指示系统设想分为五个层次:全市范围、500米半径、300米半径、100米半径、50米半径,按区域不同,层次不同,每个地方所竖的指示牌反映的内容也不一样。
- The conditions of the highly directivity is shown, and numerical simulations are carried out, and then, the radiation pattern and directivity is observed in the certain bandwidth. 本文的第三部分研究了利用线介质来构造高指向天线,并进行了数值仿真,得出其辐射模式并观测某一个带宽内的方向性。
- A new laser directional system is described, which consists of telescope system and holographic lens and can use the substitution of a poin photoelectric detector for a surface detector. 提出一种由望远系统和全息透镜组成的新型激光定向系统,该系统可实现用点光电探测器代替面探测器,并提出制作四焦点全息透镜的新方法,同时,给出该系统的理论分析和初步实验结果。
- Its advantages are simple structure, easy implementation, uniformly distributed light field in cavity, high directivity of laser radiation and small size. 本发明结构简单,易于实施,并能够实现腔内光场较均匀分布及提高激光辐射方向性,能制作成很小尺寸谐振腔的微腔半导体激光器。
- Conclusion SCTA can not only diagnose cerebral aneurysms accurately but also has high directive value in making therapy plan, surgical preparation and endovascular embolization. 结论SCTA不仅对脑动脉瘤的诊断准确率高,而且对动脉瘤治疗方案的制定、术前准备及血管内栓塞治疗有很高的指导价值。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。