All the tables in the database are normalized to a 3rd normal Form (3nf), so we can start creating our database structure based on the above ERD.
数据库中的所有表都按第三范式(3rdNormalForm, 3nf)进行了标准化,所以我们可以开始创建基于前面的ERD的数据库结构。
Figure 4 presents an Entity Relational Diagram (ERD) that gives you the macro view of the company's simplified data requirements and operations.
图4是一个实体关系图(Entity RelationalDiagram,ERD),给出了公司简化的数据需求及操作宏观视图。
These command-line attributes for SchemaSpy are used to generate the HTML file that displays the ERD, as shown in Figure 2.
这些SchemaSpy的命令行属性用于生成显示ERD的HTML文件,如图2所示。
ERD Wells are widely adopted due to its great economic benefits and its applicability for special purposes, while the drag along the horizontal section has limited the promotion of ERD Wells.
大位移井技术因其具有巨大经济效益并能够满足特殊作业的目的而得以迅速推广应用,但水平井段摩阻扭矩又成为了制约大位移井推广应用的关键因素。
The final ERD (entity relationship model diagram) and system datum dictionary are given through data sheets normalization during logic design and physical design.
在逻辑设计与物理设计过程中通过数据规范化后得出最终的ER模型图并给出系统数据字典。
Conclusion Chronic intermittent hypoxia can increase rat liver microsomal ERD and ANH activities. The mechanism is related to up-regulation of CYP3A2 and CYP2E1 expression at the transcriptive levels.
结论慢性间断性低氧能明显增加大鼠肝脏erd (CYP3A2)和ANH (CYP2E1)活性,其机制可能与其在转录水平上提高肝脏cyp3a2和CYP2E1的基因表达水平有关。
How to identify a strong vs weak relationship on ERD?
如何确定一个强与弱关系对Erd ?
The elastic recoil detection(ERD) method was used to measure the concentration of D and T in Ti film.
研究采用弹性反冲探测(ERD)方法测量钛膜中氘、氚的浓度。
It is believed that the energy transfer efficiency is sure to be over 90% when the VC-ERD is used in seawater or brackish water reverse osmosis desalination processes.
研究结果还表明该类型能量回收装置用于海水或苦咸水淡化时,能量传递效率达将在90%以上。
Conclusion Cov erd metallic stent is an safe and effective mean for the treatment of benign and malignant upper gastrointestinal tract strictures with less complication.
结论带膜镍钛记忆合金支架治疗晚期上胃肠道癌上胃肠道狭窄安全有效。
It is designed specifically to replace a solid body type centralizer for casing running applications and severe well geometries when run in horizontal, long ERD, J-type, S-type and other well designs.
该扶正器最初的设计目的在于替换固体式扶正器,用于下套管作业,以及复杂井身结构,如水平井、大位移井、J -型井、S -型井和具有其他井身结构设计的井。
Swab effect is reduced with the RHELIANT PLUS drilling fluid system, resulting in the ability to pull out of hole (POOH) faster, especially in deeper or ERD sections where time savings are amplified.
该体系对激动压力的影响较小,因此能够缩短起下钻时间,尤其在深井或大位移井中,能够更加显著地节省时间。
Assessment of the retrieval results from the educational resource database (ERD) is the most direct method among various different retrieval assessment precepts.
对教育资源库的检索结果评价是各种教育资源库检索性能评价方案中最直接的方法。
RSDS will control well path accurately, reduce torque and drag remarkably and improve hole cleaning condition obviously. The drilling practices of ERD will be more reliable if RSDS is used.
用旋转导向系统RSDS进行大位移井钻井,可望相当准确的控制井眼轨迹,大幅度减少钻柱所受的摩阻和扭矩,显著改善井眼的清洁状况。
RSDS will control well path accurately, reduce torque and drag remarkably and improve hole cleaning condition obviously. The drilling practices of ERD will be more reliable if RSDS is used.
用旋转导向系统RSDS进行大位移井钻井,可望相当准确的控制井眼轨迹,大幅度减少钻柱所受的摩阻和扭矩,显著改善井眼的清洁状况。
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