本发明公开了一种双层结构的牙膏包装袋。
The present invention discloses a toothpaste packaging bag with double-layer structure.
保温管道的经济模型分为单层结构和双层结构两种。
The economical model of pipeline insulation is divided into single layer structure and double layer structure types.
推导出了由左右手材料构成的双层结构的转移矩阵。
This paper derived the transfer matrix for the bilayer structure composed of left-handed and right-handed materials.
结果表明，钝化膜是由表层和过渡层组成的双层结构。
It was found that the passive films were composed of an outer layer and an inner layer.
由于搭建安全原因，所以不鼓励搭建双层结构的展台。
Double story construction is not encouraged in this exhibition due to the safety reason.
二者是构成文人园林的双层结构，相互叠加且深深契合。
They are the two-tier structure of the traditional literati gardens and integrated smoothly.
铅锡合金的准二维电沉积物具有伪共晶-固溶体双层结构。
A two-layered structure of eutectic-solid sulotion is formed in the microstructure of Pb-Sn alloy obtained from quasi-two-dimensional electrodeposition.
这种双层结构有利于不规则形状模具、小型和薄模具的加工。
This dual stage plunge-up mechanism facilitates the processing of irregular die shapes and sizes of very small, as well as thin die.
于是双层结构绝不可能应用于电力工具的观念，就此被打破了！
The idea that double-wall construction could never work in power tool design was broken!
因此，或许Facebook会为它的双层结构付出比它预计的更高的代价。
So perhaps Facebook will pay a higher price than it expects for its dual structure.
烘干效率高，采用上下双层结构，节省空间与电费，提高烘干效率。
The drying efficiency is high. Due to the upper and lower double layer structure, save space and electricity, improve the drying efficiency.
利用岩浆密度资料，反演并建立了义敦岛弧区的地壳双层结构模式。
Using data about magma density, "two-layer" model of crust structure in Yidun Island-Arc regions, westhern Sichuan Province, has been established.
另有49间豪华厢房，双层结构，以红楼梦佳人命名，富韵古代气息。
Another 49 luxurious hall, the two-tier structure, beautiful woman named to Dream of the Red Chamber, the rich music of ancient art.
锅体是由内外球形锅体形成的双层结构方式，中间夹层通入蒸汽加热。
The internal and external pot body is spherical form of pot body double structure, intermediate sandwich ventilation with steam heating.
实验表明，表面钝化膜形成外层为氢氧化物和内层为氧化物的双层结构。
The results showed that the passive films possessed duplex structure consisting of an outer hydroxide and an inner oxide.
建筑立面为双层结构，包括玻璃幕墙和以“灵活砖”命名的陶瓷编织砖墙。
The facade is made up of a double skin composed of a glass-wall and ceramic-fabric named FLEXBRICK.
为了进一步减小滤波器尺寸，本文还设计了一个双层结构的微带带通滤波器。
In order to further decrease the size of the filter, a two-layer microstrip bandpass filter is also designed.
初步研究了聚硅烷的电致发光，选择三明治的双层结构，制成了电致发光器件。
Electroluminescence of the polysilane is studied by select sandwich's structure and electroluminescence device is made.
在双层结构的基础上，结合电容耦合馈电技术，进一步扩展了微带天线的阻抗带宽；
In foundation of the dual-layer structure, combining with capacitive coupled feed technology, the impedance bandwidth of the microstrip antenna has been further expanded;
本实用新型通过双层结构设计，使那些不能直接加温的液体也能加热，使用范围广；
Employing with the design of double-deck structure, the utility model is capable of heating liquid which can not be heated directly and the utilization range is wide.
新建筑是一个双层结构，外立面用简洁的栅格形式表达——垂直安置在现有历史建筑之上。
The new building's volume – a double-storey, compact bar – is positioned perpendicularly to the existing historic building.
具有保温隔热作用的双层结构，让饮品呈现出悬浮于空中的视觉效果，盖上杯盖，防尘卫生。
The double-layer structure has the thermal insulation effects, also it gives you a special visual effect that the drinks suspends in the air. The lid prevents the dust.
从现场的发掘状况可以初断，主要是外藏椁双层结构中的搁板将这些陶器重重地压在了下方。
From the scene discovered situation can be broken early, mainly outside of the outer structure of the double-Shelf these numerous pottery in the bottom of the pressure.
辽河盆地东部凹陷北段新生代盆地具下断上拗的双层结构，是伸展和走滑联合作用的断陷盆地。
Cenozoic East Sag of Liaohe basin consists of double structure and is a fault depression basin with extending and strike slipping.
这就产生了电荷的一种双层结构分布——比如说一个负电荷的平面和紧邻着弥散着的带正电的相对离子云。
The result is a double-layer distribution of charges-for example, a plane of negative heads and an adjacent diffuse cloud of positive counterions.
前言：大平掌矿床由上部层状块状硫化物矿体和下部细脉浸染状矿体组成，双层结构清楚。
There was a typical "two-layer structure" in Dapingzhang Cu-polymetal deposit, which was composed of the upper massive sulfide orebody and lower veinlet-disseminated sulfide orebody.
外部框架为镀锌，涂漆或不锈钢。镀锌或不锈钢的风叶带双层结构。免维护的不锈钢轴套和转轴。
Outer frame of galvanized, painted or stainless steel. Blades of galvanized or stainless steel with double sheet construction, silicon sealings. Maintenance-free stainless steel bearings and shafts.
该微生物的大小介于病毒和细菌之间，具有明显的细胞壁和细胞膜双层结构，但无明显的细胞核。
The RLO with cell wall was smaller than bacteria but larger than virus and had cell membrane without nucleoid area.
该微生物的大小介于病毒和细菌之间，具有明显的细胞壁和细胞膜双层结构，但无明显的细胞核。
The RLO with cell wall was smaller than bacteria but larger than virus and had cell membrane without nucleoid area.
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