Because of its regular structure, relational data is "dense" — that is, every row has a value in every column.
由于其规则结构,关系数据是“密集的”,即每一行中的每一列都有一个值。
If this structure is too dense, then there is too much cohesion and the organization is likely to be too complex to be effective.
如果这一结构太过密集,那么就有过高的内聚性,并且。该组织将过于复杂以至于影响其效能。
“Inside it’s still hot, and tries to cool to a more dense structure, ” Dr. LaCourse said.
“内部仍然很热,并冷却成为更致密的结构。”LaCourse博士解释道。
Dense plantings at the southern end heighten the contrast with the old steel structure as well as with the cityscape.
公园向南一隅的浓密植被与古老的钢构建筑和周围的城市风光形成了更为鲜明的对比。
As is known to all, the black holes are as dense structure and sometimes inescapable for the cosmic materials.
众所周知,黑洞是一个高度密集的宇宙结构,令宇宙物质无法逃脱。
It connects people who are far apart, but also has the dense local structure we see in small communities.
它将远离的人们联系起来,同时在小型社区有稠密的地域结构。
For the modification of the retaining wall, it should produce a better appearance, and the formation of dense structure.
修改的挡土墙,应该产生一个更好的外观,并形成致密结构。
The ore has the pelitic and microscale pelitic texture and the micro-bedded, tabular and dense massive structure.
矿石结构主要为泥质结构和显微鳞片泥质结构,构造主要为微层状、板状和致密块状;
Structure property and diffusion behaviors of dense carbon dioxide confined in a series of clay slit pores are studied.
稠密二氧化碳在不同宽度的粘土狭峰孔中的结构性质和扩散行为的研究。
Its language is dense and the structure amorphous.
其语言是致密的结构非晶。
In order to capture the subtle structure in the flow field using not too dense grids, the high order accuracy difference schemes are often adopted in numerical simulations.
为了能在不太密的网格上捕捉到流场的细致结构,通常采用高阶精度的差分格式进行数值模拟。
Since the structure is located in a relatively dense urban area, the masonry walls also add protection against fire.
由于建筑位于相对密集的城区,砌体墙也增加了防火的功能。
Meanwhile combining the advantage of dense well pattern of the oilfield, structure interpretation accuracy can be further increased.
同时利用该油田的密井网优势,进一步提高构造解释的精度。
A new structure of tunable polarization interference dense wavelength division multiplexing (DWDM) filter based on the analog birefringent module is presented.
提出了一种基于模拟双折射模块的可调谐偏振光干涉型密集波分复用滤波器(DWDM)的新结构。
Some soils, such as sandy soils, have a loose crumb structure with good drainage, whereas in clay soils the particles are small and stick together to give a dense crumb structure and poor drainage.
一些土壤例如砂土具有松散的结构,因而有良好的排水性,而在粘土中,由于土壤颗粒小而互相粘合导致粘土结构紧密排水性较差。
A chiral hadronic model is extended to investigate the influences of trapped neutrinos on the equation of state of dense matter and structure of protoneutron stars.
用手征强子模型研究在中微子束缚情况下对致密物质状态及其对前中子星结构的影响。
The results showed that a dense skin layer, which is a kind of polyamide structure, had been combined with the modified PAN substrate surface due to the interfacial polymerization.
结果表明,采用界面聚合反应在PAN改性膜上已复合一层致密的表皮层,该致密表皮层是聚酰胺结构。
Described are the main usage, technical parameters, structure and application of the tank car for dense phase conveyed aluminum oxide powder.
介绍了浓相输送氧化铝粉罐车的主要用途、技术参数、结构及应用情况。
But for high frequency problem and complex structure, too dense grid of object will lead to dense impedance matrix and many unknown variables, so the computational efficiency will be very low.
但是在处理高频问题和具有精密结构的缝隙时,对目标剖分过密会导致稠密的阻抗矩阵,未知量增加,影响计算的效率。
Asbestos rubber sheet in which the structure of dense, good pressure, good heat resistance, and valves in the valve itself and the pipe flange connection, the use of a wide range.
其中石棉橡胶板结构致密,耐压性能好,耐温性能也很好,在阀门本身和阀门与管子的法兰连接中,使用极为广泛。
On the contrary, there are sparse structure of a dense arrangement, can stimulate the retina to reach the full enjoyment of the visual aesthetic.
反之,有疏有密的结构排列,可使视网膜充分刺激达到视觉美感的享受。
The third layer has a very thin, dense structure that increases water resistance.
第三层是层非常薄、紧密的结构以增强防水。
This lamp of outer covers adopt the aluminium alloy casting, the dense structure of water, aesthetic in appearance. The security is excellent.
该灯外壳采用铝合金浇铸,水密结构,外型美观,安全性好。
Gilardino, who has a dense muscular structure, can hold the strength of the defenders; he can arrive to the shot after winning an aerial or acrobatic duel.
吉拉迪诺有着密集的肌肉结构,可以倚住那些强壮的中后卫,吉拉迪诺可以头球得分,也可以在禁区内如杂耍般的进球。
The results show that the films with dense and amorphous structure and lower grain boundary resistance were deposited at room temperature.
研究结果表明,室温下沉积的薄膜为颗粒致密的非晶相结构,晶界电阻较小。
Due to dense structure, high tensile strength, excellent wear-ability, anti-crack and corrosion resistance against acid and alkali, it can be used as integral anti-corrosion coat and block coat.
由于其结构致密,具有较高的抗拉强度且耐磨、抗裂、抗酸碱腐蚀性能优异,宜用于防腐蚀整体面层和块材面层的铺砌材料。
During the trial use, the growing of the magnesia particles resulted in the dense structure of material, and chemical and diffusion erosion was...
试用中氧化镁颗粒的长大使材料的结构进一步致密,且化学和扩散侵蚀不明显。
Asphalt mixture with skeleton dense structure has won increasing reputations by pavement engineers because of its good pavement performance.
骨架密实型沥青混合料由于能够兼顾各项路用性能,得到越来越多路面工程师的青睐。
The oxide coatings prepared by this technique have a dense structure, high adhesion and excellent integrated mechanical properties. Many studies have been carried out in this field recently.
利用该技术制成的氧化膜结构致密,结合强度高,具有优良的综合力学性能,近年来在该领域的研究一直较为活跃。
The oxide coatings prepared by this technique have a dense structure, high adhesion and excellent integrated mechanical properties. Many studies have been carried out in this field recently.
利用该技术制成的氧化膜结构致密,结合强度高,具有优良的综合力学性能,近年来在该领域的研究一直较为活跃。
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